Click to expand/collapse all other details

Male Boniface I de Montferrat , King of Thessalonica Click to view Boniface I de Montferrat , King of Thessalonica in the family tree

Boniface I de was born about 1150 in Montferrat, Italy.  Boniface I de's father was William V Margrave of Montferrat and his mother was Judith Von Babenberg of Austria.  His maternal grandparents were Leopold III "Saint" Margrave of Austria and Agnes Princess of Holy Roman Empire. He had a brother and two sisters, named Conrad Marquis de, Beatrix de and Alice de.  He was the second oldest of the four children.  He died on September 4th, 1207.


Boniface I de's first family with Margaret Princess of Hungary

‌Boniface I de and Margaret Princess of were married in a religious ceremony in May 1204 in 2nd husband 2nd wife.


Boniface I de's second family with Elena de Bosco

‌Boniface I de and Elena de were married in a religious ceremony in 1st wife.  They had a son named William VI Margrave Count of.

Page last modified