Marmion first married Joan de Kilpec, daughter and heiress of Hugh (de la Mare) Kilpec, Baron of Kilpeck, by his wife Mazera, with whom he had the following issue:
Mazera, m. Ralph de Cromwell and their daughter Joan (b.abt 1268) m. Alexander de Freville.

Joan, (b.abt 1256) m. William de Morteyn but died with no issue.

Maud, (b.abt 1262) m. Ralph le Botiller (Butler) of Wemme (son of Ralph Botiller and Maud Pantulph).

He married secondly, Mary (perhaps Cantilupe), (Inq P.M. 1315) who bore him:
Joan, (b.abt 1284) m1.
Thomas de Ludlow and, m2.
Henry Hillary (-1349).

He also had a lovechild with a mistress whose identity is not known:-
Robert, m. Isabel daughter and heir of Giles Fitz Ralph having a single daughter, Avice, m1.
Eustace de Hardreshull and m2.
John de Whitacre
Tamworth passed to Joan Cromwell, daughter of Mazera Marmion, and wife of Alexander de Freville, and Scrivelsby eventually passed with Margaret de Ludlow to Sir John Dymoke, in whose family it has since remained along with the title 'Champion of England'.
Maud (Marmion) Butler was heiress of Pulverbatch, Middleton and Norbury.
Marmion first married Joan de Kilpec, daughter and heiress of Hugh (de la Mare) Kilpec, Baron of Kilpeck, by his wife Mazera, with whom he had the following issue:
Mazera, m. Ralph de Cromwell and their daughter Joan (b.abt 1268) m. Alexander de Freville.
Joan, (b.abt 1256) m. William de Morteyn but died with no issue.
Maud, (b.abt 1262) m. Ralph le Botiller (Butler) of Wemme (son of Ralph Botiller and Maud Pantulph).
He married secondly, Mary (perhaps Cantilupe), (Inq P.M. 1315) who bore him:
Joan, (b.abt 1284) m1. Thomas de Ludlow and, m2. Henry Hillary (-1349).
He also had a lovechild with a mistress whose identity is not known:-
Robert, m. Isabel daughter and heir of Giles Fitz Ralph having a single daughter, Avice, m1. Eustace de Hardreshull and m2. John de Whitacre
Tamworth passed to Joan Cromwell, daughter of Mazera Marmion, and wife of Alexander de Freville, and Scrivelsby eventually passed with Margaret de Ludlow to Sir John Dymoke, in whose family it has since remained along with the title 'Champion of England'. Maud (Marmion) Butler was heiress of Pulverbatch, Middleton and Norbury.
Philip Marmion, 5th Baron Marmion of Tamworth