Biography of Henry "Lion" Welf XII Duke Saxony III Duke Bavaria 1129-1195

Paternal Family Tree: Obertenghi aka Welf

On 17 Mar 1126 [his uncle] Conrad Welf (age 21) died. His brother [his father] Henry "Proud" Welf X Duke Bavaria (age 18) succeeded X Duke Bavaria.

On 13 Dec 1126 [his grandfather] Henry "Black" Welf IX Duke Bavaria (age 51) died. His son [his father] Henry "Proud" Welf X Duke Bavaria (age 18) succeeded 10th Duke Bavaria.

In 1127 [his father] Henry "Proud" Welf X Duke Bavaria (age 19) and [his mother] Gertrude Süpplingenburg Duchess Bavaria were married. She by marriage Duchess Bavaria. He the son of Henry "Black" Welf IX Duke Bavaria and Wulfhilde of Saxony Duchess Bavaria.

In 1129 Henry "Lion" Welf XII Duke Saxony III Duke Bavaria was born to Henry "Proud" Welf X Duke Bavaria (age 21) and Gertrude Süpplingenburg Duchess Bavaria at Brunswick.

On 20 Oct 1139 [his father] Henry "Proud" Welf X Duke Bavaria (age 31) died.

In 1142 Henry "Lion" Welf XII Duke Saxony III Duke Bavaria (age 13) was appointed XII Duke Saxony. [his future wife] Clementia Zähringen Duchess Saxony Duchess Bavaria by marriage Duchess Saxony.

In 1147 Henry "Lion" Welf XII Duke Saxony III Duke Bavaria (age 18) and Clementia Zähringen Duchess Saxony Duchess Bavaria were married. They divorceddd in 1162. She the daughter of Conrad Zähringen 1st Duke Zähringen. He the son of Henry "Proud" Welf X Duke Bavaria and Gertrude Süpplingenburg Duchess Bavaria.

In 1155 [his daughter] Gertrude Welf was born to Henry "Lion" Welf XII Duke Saxony III Duke Bavaria (age 26) and [his wife] Clementia Zähringen Duchess Saxony Duchess Bavaria.

In 1156 Henry "Lion" Welf XII Duke Saxony III Duke Bavaria (age 27) was appointed III Duke Bavaria. [his wife] Clementia Zähringen Duchess Saxony Duchess Bavaria by marriage Duchess Bavaria.

Around 1157 [his daughter] Richenza Welf was born to Henry "Lion" Welf XII Duke Saxony III Duke Bavaria (age 28) and [his wife] Clementia Zähringen Duchess Saxony Duchess Bavaria.

In 1167 [his daughter] Richenza Welf (age 10) died.

On 01 Feb 1168 Henry "Lion" Welf XII Duke Saxony III Duke Bavaria (age 39) and Matilda Plantagenet Duchess Saxony (age 12) were married. She by marriage Duchess Bavaria, Duchess Saxony. The difference in their ages was 27 years. She the daughter of King Henry "Curtmantle" II of England (age 34) and Eleanor of Aquitaine Queen Consort Franks and England (age 46). He the son of Henry "Proud" Welf X Duke Bavaria and Gertrude Süpplingenburg Duchess Bavaria.

In 1172 [his daughter] Matilda Welf Countess Perche was born to Henry "Lion" Welf XII Duke Saxony III Duke Bavaria (age 43) and [his wife] Matilda Plantagenet Duchess Saxony (age 15). She a granddaughter of King Henry "Curtmantle" II of England.

On 27 Aug 1172 [his brother-in-law] Henry the Young King (age 17) and Margaret Capet (age 15) were married at Winchester Cathedral [Map]. Margaret's dowry included the Vexin; the border between France and Normandy. On the same day they were both crowned by Rotrou Newburgh Archbishop Rouen. She the daughter of Louis VII King Franks (age 52) and Constance of Castile. He the son of King Henry "Curtmantle" II of England (age 39) and Eleanor of Aquitaine Queen Consort Franks and England (age 50). They were half fourth cousins.

Around 1173 [his son] Henry Welf V Count Palatine of the Rhine was born to Henry "Lion" Welf XII Duke Saxony III Duke Bavaria (age 44) and [his wife] Matilda Plantagenet Duchess Saxony (age 16). He a grandson of King Henry "Curtmantle" II of England.

Around 1174 [his son] Lothar Welf was born to Henry "Lion" Welf XII Duke Saxony III Duke Bavaria (age 45) and [his wife] Matilda Plantagenet Duchess Saxony (age 17). He a grandson of King Henry "Curtmantle" II of England.

Around 1175 [his son] Otto Welf IV Holy Roman Emperor was born to Henry "Lion" Welf XII Duke Saxony III Duke Bavaria (age 46) and [his wife] Matilda Plantagenet Duchess Saxony (age 18). He a grandson of King Henry "Curtmantle" II of England.

On 11 Jun 1183 [his brother-in-law] Henry the Young King (age 28) died at Castle of Martel clasping a ring his father had sent as a token of forgiveness. He was buried at Rouen Cathedral, Rouen.

On 11 Apr 1184 [his son] William of Winchester Welf was born to Henry "Lion" Welf XII Duke Saxony III Duke Bavaria (age 55) and [his wife] Matilda Plantagenet Duchess Saxony (age 28) in Winchester, Hampshire [Map] during his father's exile. He a grandson of King Henry "Curtmantle" II of England.

In 1189 [his son-in-law] Geoffrey Chateaudun III Count Perche and [his daughter] Matilda Welf Countess Perche (age 17) were married at Rouen, France [Map]. She by marriage Countess Perche. She the daughter of Henry "Lion" Welf XII Duke Saxony III Duke Bavaria (age 60) and Matilda Plantagenet Duchess Saxony (age 32). He the son of Routrou Chateaudun IV Count Perche (age 54) and Matilda Blois Countess Perche. They were third cousin once removed. He a great x 2 grandson of King William "Conqueror" I of England. She a granddaughter of King Henry "Curtmantle" II of England.