Boniface I de Montferrat , King of Thessalonica

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. He had a brother and two sisters, named Conrad Marquis de, Beatrix de and Alice (Adilasia) de.  He was the second oldest of the four children.  He died on September 4th, 1207.

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