Duke Henry I (The Black) Welf Of Bavaria
Henry I, known as The Black, was born in 1074.  He died at the age of 52 on December 13th, 1126.

 Wulfhilda Billung Of Saxony
Wulfhilda was born in 1071.  She died at the age of 55 on December 29th, 1126.

 Judith Welf Of Bavaria
Judith was born in 1100.  She died at the age of 30 on February 22nd, 1130.

 Tostig VI Welf
He died in 1191.

 Duke Henry (The Proud) Welf Of Bavaria & Saxony
He died in 1139.