Roger I BERTRAM 
Roger I was born in 1136 in Mitford, Northumberland, England. Roger I 's father was William I BERTRAM and his mother was Hawise de BALIOL. His maternal grandparents were Guy de BALIOL and Denise DIONYSIA. He was an only child. He died at the age of 41 in September 1177.
They had a son named William II.
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Children
William II BERTRAM
William II was born in 1162 in Mitford Prudhoe, Morpeth, Northumberland, England. He died at the age of 36 in 1198.