On 28 Jul 1869 [his father] Frederick VIII King Denmark 1843-1912 (age 26) and [his mother] Louise of Sweden Queen Consort Denmark (age 17) were married. He the son of King Christian IX of Denmark 1818-1906 (age 51) and Queen Louise Hesse-Kassel of Denmark (age 51). He a great x 3 grandson of King George II of Great Britain and Ireland. 
On 26 Sep 1870 Christian X King Denmark was born to Frederick VIII King Denmark 1843-1912 (age 27) and Louise of Sweden Queen Consort Denmark (age 18).
On 26 Apr 1898 Christian X King Denmark (age 27) and Alexandrine Mecklenburg-Schwerin Queen Consort Denmark (age 18) were married. She by marriage Queen Consort Denmark. He the son of Frederick VIII King Denmark 1843-1912 (age 54) and Louise of Sweden Queen Consort Denmark (age 46). He a great x 4 grandson of King George II of Great Britain and Ireland.
In or before 1906 Wilhelm Hohenzollern (age 23) and [his sister-in-law] Princess Cecilie Mecklenburg Schwerin (age 19) were married. He the son of Wilhelm Hohenzollern (age 46) and Empress Auguste Viktoria Oldenburg (age 47). They were half third cousins. He a great grandson of Queen Victoria of the United Kingdom.
On 29 Jan 1906 [his grandfather] King Christian IX of Denmark 1818-1906 (age 87) died. His son [his father] Frederick VIII King Denmark 1843-1912 (age 62) succeeded VIII King Denmark. [his mother] Louise of Sweden Queen Consort Denmark (age 54) by marriage Queen Consort Denmark.
On 14 May 1912 [his father] Frederick VIII King Denmark 1843-1912 (age 68) died. His son Christian X King Denmark (age 41) succeeded X King Denmark.
On 20 Mar 1926 [his mother] Louise of Sweden Queen Consort Denmark (age 74) died.
On 20 Apr 1947 Christian X King Denmark (age 76) died.
On 28 Dec 1952 [his former wife] Alexandrine Mecklenburg-Schwerin Queen Consort Denmark (age 73) died.
[his son] Frederik Glücksburg was born to Christian X King Denmark and Alexandrine Mecklenburg-Schwerin Queen Consort Denmark.
[his son] Knud Glücksburg was born to Christian X King Denmark and Alexandrine Mecklenburg-Schwerin Queen Consort Denmark.
Paternal Family Tree: Oldenburg
Kings Wessex: Great x 25 Grand Son of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 22 Grand Son of Owain "Great" King Gwynedd 1100-1170
Kings Seisyllwg: Great x 28 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 23 Grand Son of Maredudd ap Bleddyn King Powys 1047-1132
Kings England: Great x 4 Grand Son of King George II of Great Britain and Ireland
Kings Scotland: Great x 18 Grand Son of Robert "The Bruce" I King Scotland
Kings Franks: Great x 21 Grand Son of Louis VII King Franks
Kings France: Great x 15 Grand Son of Charles "Beloved Mad" VI King France
Great x 4 Grandfather: Peter August Oldenburg I Duke Schleswig-Holstein-Sonderburg-Beck 1697-1775 15 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Karl Anton Oldenburg I Duke Schleswig-Holstein-Sonderburg-Beck -1759 16 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Sophie of Hesse-Philippsthal Duchess Schleswig-Holstein-Sonderburg-Beck
Great x 2 Grandfather: Friedrich Karl Ludwig Oldenburg I Duke Schleswig-Holstein-Sonderburg-Beck 1757-1816 17 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Frederica Charlotte Dohna Schlodien Duchess Schleswig-Holstein-Sonderburg-Beck
Great x 1 Grandfather: Friedrich Wilhelm Glücksburg Duke Schleswig Holstein Sonderburg Glücksburg 1785-1831 18 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 2 Grandmother: Friederike Schlieben Duchess Schleswig-Holstein-Sonderburg-Beck
GrandFather: King Christian IX of Denmark 1818-1906 2 x Great Grand Son of King George II of Great Britain and Ireland
Great x 4 Grandfather: William Hesse-Kassel 1682-1760 13 x Great Grand Son of King Henry III of England
Great x 3 Grandfather: Frederick Hesse-Kassel 14 x Great Grand Son of King Henry III of England
Great x 2 Grandfather: Charles Hesse-Kassel Grand Son of King George II of Great Britain and Ireland
Great x 4 Grandfather: King George II of Great Britain and Ireland Son of King George I of Great Britain and Ireland
Great x 3 Grandmother: Mary Hanover Daughter of King George II of Great Britain and Ireland
Great x 4 Grandmother: Caroline Hohenzollern Queen Consort England 15 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 1 Grandmother: Louise Caroline Hesse-Kassel Duchess Schleswig Holstein Sonderburg Glücksburg Great Grand Daughter of King George II of Great Britain and Ireland
Great x 4 Grandfather: Christian VI King Denmark and Norway 1699-1746 14 x Great Grand Son of King Henry III of England
Great x 3 Grandfather: Frederick V King Denmark and Norway 1723-1766 15 x Great Grand Son of King Henry III of England
Great x 2 Grandmother: Louise Oldenburg Grand Daughter of King George II of Great Britain and Ireland
Great x 4 Grandfather: King George II of Great Britain and Ireland Son of King George I of Great Britain and Ireland
Great x 3 Grandmother: Louise Hanover Queen Consort Denmark and Norway Daughter of King George II of Great Britain and Ireland
Great x 4 Grandmother: Caroline Hohenzollern Queen Consort England 15 x Great Grand Daughter of King Henry "Curtmantle" II of England
Father: Frederick VIII King Denmark 1843-1912 3 x Great Grand Son of King George II of Great Britain and Ireland
Great x 4 Grandfather: William Hesse-Kassel 1682-1760 13 x Great Grand Son of King Henry III of England
Great x 3 Grandfather: Frederick Hesse-Kassel 14 x Great Grand Son of King Henry III of England
Great x 2 Grandfather: Frederick Hesse-Kassel Grand Son of King George II of Great Britain and Ireland
Great x 4 Grandfather: King George II of Great Britain and Ireland Son of King George I of Great Britain and Ireland
Great x 3 Grandmother: Mary Hanover Daughter of King George II of Great Britain and Ireland
Great x 4 Grandmother: Caroline Hohenzollern Queen Consort England 15 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 1 Grandfather: William Hesse-Kassel Great Grand Son of King George II of Great Britain and Ireland
GrandMother: Queen Louise Hesse-Kassel of Denmark 2 x Great Grand Daughter of King George II of Great Britain and Ireland
Great x 4 Grandfather: Christian VI King Denmark and Norway 1699-1746 14 x Great Grand Son of King Henry III of England
Great x 3 Grandfather: Frederick V King Denmark and Norway 1723-1766 15 x Great Grand Son of King Henry III of England
Great x 2 Grandfather: Prince Frederick Oldenburg 16 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Ferdinand Albert II Duke of Brunswick-Wolfenbüttel 14 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Juliana Maria Welf Queen Consort Denmark and Norway 15 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Princess Antoinette of Brunswick-Wolfenbüttel 15 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 1 Grandmother: Princess Charlotte of Denmark 17 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Christian Ludwig II Duke of Mecklenburg-Schwerin 1683-1756 14 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Duke Louis of Mecklenburg-Schwerin 15 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 2 Grandmother: Duchess Sophia Frederica of Mecklenburg-Schwerin 16 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Francis Josias Saxe Coburg Saalfeld Duke Saxe Coburg Saalfeld 15 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Charlotte Sophie Saxe Coburg Saalfeld 16 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Duchess Anna Sophie Of Saxe-Coburg-Saalfeld 16 x Great Grand Daughter of King Henry "Curtmantle" II of England
Christian X King Denmark 1870-1947 4 x Great Grand Son of King George II of Great Britain and Ireland
Great x 1 Grandfather: Oscar I King Sweden and Norway
GrandFather: Charles XV King Sweden IV King Norway