William I Count of , Saint Toulouse

William I Count of , Saint was born in 0750.  William I Count of , Saint's mother was Aude , Princess of The Franks Martel.  His maternal grandparents were Charles (Karl) 'the Hammer' , Mayor of the Martel and Chrotrude (Rotrou) of Alemania Duchess of Austra.  He was an only child.  He died at the age of 63 in 0813.

They had a son, and also a child of unknown gender named Bernard I Margrave and Wialdruth of.