arms of Arches of
Eythrope and Cranwell (in
Waddesdon) and
Little Kimble, Buckinghamshire:
Gules, three arches argent At some date before 12 July 1434, aged 28, he married Joan Arches (died 1497)
Gules, four fusils in fess ermine. His children by Joan included: •
John Dynham, 1st Baron Dynham (1433–1501),
KG, Lord Treasurer of England. • Joan Dynham, wife of
John la Zouche, 7th Baron Zouche, 8th Baron St Maur. • Margaret Dynham (died 13 December 1470), wife of Sir Nicholas Carew (died 6 December 1470) of Ottery-Mohun, both were buried at
Westminster Abbey. • Katherine Dynham, wife of
Sir Thomas Arundell in December 1473. • Edith Dynham, wife of Thomas Fowler. • Elizabeth Dynham (died 1516), who married three times. Her first husband was
Fulk Bourchier, 10th Baron FitzWarin. She married secondly Sir John Sapcotes, and thirdly Sir
Thomas Brandon. The barony did not survive the first generation, and after Lord Dynham's death the Dynham estates were divided between the heirs of his numerous sisters. ==Death and succession==