Humphrey IV De Bohun
Humphrey IV was born in 1143.  He died at the age of 39 in 1182.

 Margaret De Huntington
Margaret was born about 1145 in England.  She died on February 20th, 1181.

 Earl Henry II (Surety Magna Carta) De Bohun Of Hereford
Henry II, known as Surety Magna Carta, was born about 1176.  He died in 1212 in ON A PILGRAMAGE TO JERUSALEM.