at St. Mary's in Trim. Joan Mortimer inherited the title Baroness Geneville suo jure when Geoffrey died in 1314.

The castle thereby passed to the Mortimer family who held it until 1425, when the male line died out with Edmund Mortimer, 5th Earl of March. After this the estate passed to Richard of York, son of Edmund's sister Anne Mortimer by Richard of Conisburgh, 3rd Earl of Cambridge.