On 25 Oct 1251 [his father] Ottokar "Iron King" II King Bohemia (age 18) and [his mother] Kunigunda Rostislavna Přemyslovna (age 6) were married.
On 11 Feb 1252 [his father] Ottokar "Iron King" II King Bohemia (age 19) and Margarete von Babenberg (age 48) were married. The difference in their ages was 29 years.
On 17 Sep 1271 King Wenceslaus II of Bohemia and Poland was born to Ottokar "Iron King" II King Bohemia (age 38) and Kunigunda Rostislavna Přemyslovna (age 26).
On 24 Oct 1273 Louis "Strict" Wittelsbach II Duke Upper Bavaria (age 44) and [his future sister-in-law] Matilda Habsburg Duchess Bavaria (age 20) were married. Matilda Habsburg Duchess Bavaria by marriage Duchess Bavaria. The difference in their ages was 23 years. She the daughter of Rudolph I King Romans (age 55) and Gertrude Hohenburg (age 48). He the son of Otto "Illustrious" Wittelsbach II Duke Bavaria and Agnes Welf Duchess Bavaria. He a great x 2 grandson of King Henry "Curtmantle" II of England. 
On 26 Aug 1278 [his father] Ottokar "Iron King" II King Bohemia (age 45) died. His son King Wenceslaus II of Bohemia and Poland (age 6) succeeded II King Bohemia.
In 1281 Charles Martel King Hungary (age 9) and [his future sister-in-law] Clementia Habsburg (age 19) were married. She the daughter of Rudolph I King Romans (age 62) and Gertrude Hohenburg (age 56). He the son of Charles II King Naples (age 27) and Mary of Hungary Queen Consort Naples (age 24). He a great x 3 grandson of King Henry "Curtmantle" II of England. 
On 24 Jan 1285 King Wenceslaus II of Bohemia and Poland (age 13) and Queen Judith of Bohemia and Poland (age 13) were married. She the daughter of Rudolph I King Romans (age 66) and Gertrude Hohenburg. He the son of Ottokar "Iron King" II King Bohemia and Kunigunda Rostislavna Přemyslovna (age 40).
On 09 Sep 1285 [his mother] Kunigunda Rostislavna Přemyslovna (age 40) died.
On 27 Oct 1286 [his sister-in-law] Hedwig Habsburg (age 27) died.
On 06 Oct 1289 [his son] King Wenceslaus III of Bohemia, Hungary and Poland was born to King Wenceslaus II of Bohemia and Poland (age 18) and [his wife] Queen Judith of Bohemia and Poland (age 18).
On 20 Jan 1292 [his daughter] Queen Elizabeth of Bohemia was born to King Wenceslaus II of Bohemia and Poland (age 20) and [his wife] Queen Judith of Bohemia and Poland (age 20).
After 07 Feb 1293 [his sister-in-law] Clementia Habsburg (age 31) died.
On 18 Jun 1297 [his wife] Queen Judith of Bohemia and Poland (age 26) died at Prague.
On 23 Dec 1304 [his former sister-in-law] Matilda Habsburg Duchess Bavaria (age 51) died at Munich.
On 21 Jun 1305 King Wenceslaus II of Bohemia and Poland (age 33) died.
King John I of Bohemia and [his daughter] Queen Elizabeth of Bohemia were married. She by marriage Queen Bohemia. She the daughter of King Wenceslaus II of Bohemia and Poland and Queen Judith of Bohemia and Poland. He the son of Henry Luxemburg VII Holy Roman Emperor and Margaret Brabant Countess Luxemburg and Namur.
Charles IV King Bohemia Holy Roman Emperor Luxemburg x 1
Joan Valois Queen Consort Navarre x 1
Joanna of Navarre Queen Consort England x 1
Marie Valois Anjou Queen Consort France x 1
Margaret of Anjou Queen Consort England x 1
Mary of Guelders Queen Consort Scotland x 1
King James III of Scotland x 1
Joan Valois Queen Consort France x 2
Germaine Foix Queen Consort Aragon x 2
Marguerite Valois Orléans Queen Consort Navarre x 5
Charles V Holy Roman Emperor x 3
Isabella of Austria Queen Consort Denmark and Norway x 3
Ferdinand I Holy Roman Emperor x 3
Catherine of Austria Queen Consort Portugal x 3
Anne of Cleves Queen Consort England x 3
Mary of Guise Queen Consort Scotland x 7
Maximilian Habsburg Spain II Holy Roman Emperor x 1
Jeanne Albret III Queen Navarre x 5
King James I of England and Ireland and VI of Scotland x 1
Maximilian "The Great" Wittelsbach I Duke Bavaria I Elector Bavaria x 11
Ferdinand of Spain II Holy Roman Emperor x 4
Frederick Palatinate Simmern V Elector Palatine Rhine x 2
Ferdinand King Bohemia III Holy Roman Emperor x 11
Frederick William "Great Elector" Hohenzollern Elector Brandenburg x 2
Ferdinand King Bohemia IV King Romans x 4
Louis "Sun King" XIV King France x 4
Leopold Habsburg Spain I Holy Roman Emperor x 4
Charles "Bewitched" II King Spain x 4
Maximilian Wittelsbach II Elector Bavaria x 11
Victor Amadeus King Sardinia x 17
Frederick IV King Denmark and Norway x 2
Joseph I Holy Roman Emperor x 4
Louis Bourbon Duke Burgundy x 11
Charles Habsburg Spain VI Holy Roman Emperor x 4
Charles Emmanuel III King Sardinia x 4
Francis I Holy Roman Emperor x 8
Louis XV King France x 15
King Louis Philippe I of France x 4
King Christian IX of Denmark x 4
Frederick VIII King Denmark x 4
Alexandra Glücksburg Queen Consort England x 4
George V King United Kingdom x 4
Victoria Mary Teck Queen Consort England x 8
Frederick Charles I King Finland x 4
King Edward VIII of the United Kingdom x 8
King George VI of the United Kingdom x 8
Olav Glücksburg V King Norway x 4