Katherine Chideocke was born circa 1428 at of Chideock, Dorsetshire, England; Age 22 in 1450. A contract for the marriage of Katherine Chideocke and William Stafford, Esq., Sheriff of Dorset, Somerset, Gloucestershire, & Wiltshire was signed on 11 March 1437; They had 1 son (Humphrey, 15th Earl of Devon, Lord Stafford of Southwick). A settlement for the marriage Katherine Chideocke and Sir John Arundel, Under-Sheriff, Sheriff, & Vice-Admiral of Cornwall was made on 5 March 1451; They had 1 son (Sir Thomas) and 6 daughters (Elizabeth, wife of Sir Giles, Lord Daubeney; Katherine, wife of Sir Walter Courtenay, & of John Moyle, Esq; Ellen, wife of Ralph Coppleston; Margaret, wife of Sir William Capel; Thomasine, wife of Sir Henry, 1st Lord Marney; & Dorothy, wife of Sir Henry Strangeways). A settlement for the marriage Katherine Chideocke and Sir Roger Lewknor, Sheriff of Surrey & Sussex was made in May 1477; 3rd marriage for both. Katherine Chideocke died on 9 April 1479.
Douglas Richardson, Plantagenet Ancestry, p. 180-181.
Douglas Richardson, Plantagenet Ancestry, p. 518-519.