sentences:  At the same time Robert's first daughter Helen married Roger's heir, also called Roger.This double marriage contract, binding the son and heir of each man to marry a daughter of the other, was signed at the house of Robert FitzHarding in Bristol in the presence of Duke Henry and 16 witnesses.Robert Fitzharding's daughter, Adeva Fitzhardinge, married Nigel Fitzarthur, and from them began the Kingscote family.