Luitgarda married William I "Longsword" FITZROBERT, 2nd in 935. William (son of Robert Rollo ROGNAVALDSSON, 1st and Poppa Of Normandy De VALOIS, Duchess) was born about 891 in Rouen, Seine-Maritime, Haute-Normandie, France; died on 17 Dec 942 in Island Picquigny, Somme River, Normandy, France; was buried in Assassinated. [Group Sheet] [Family Chart]