William Trelawny1
Child of William Trelawny and Joan Doyngnell
Joan Doyngnell1
Child of Joan Doyngnell and William Trelawny
Sir John Trelawny1
He was living circa 1367.1 He was appointed Knight in 1407/8.1
Child of Sir John Trelawny and Matilda Mynwenyke
Matilda Mynwenyke1
Child of Matilda Mynwenyke and Sir John Trelawny
Sir John Trelawny1
He held the office of Coroner of Cornwall.1 He held the office of Member of Parliament (M.P.) for Cornwall.1 In 1420/21 he was granted pension of £20 p.a. by King Henry V for military services in the Hundred Years War, following which the Trelawnys long bore on their coat of arms an augmentation of three oak or laurel leaves.1
Children of Sir John Trelawny and Agnes Trogodeck
- John Trelawny+2 d. a 1485
- Sir Richard Trelawny1
Agnes Trogodeck1
Her married name became Trelawny.
Children of Agnes Trogodeck and Sir John Trelawny
- John Trelawny+2 d. a 1485
- Sir Richard Trelawny1
John Trelawny1 
He held the office of Sheriff of Cornwall.1 He held the office of Member of Parliament (M.P.) for Truro in 1449.1
Child of John Trelawny and Joan (?)
Joan (?)1
She was heiress of Heligan.1 Her married name became Trelawny.
Child of Joan (?) and John Trelawny
Sir John Trelawny1
Children of Sir John Trelawny and Jane Powna
Jane Powna1
Married Florence.1 Sister of 1st Earl of Devon (qv) of the cr).1 Her married name became Trelawny. With a younger son (John.1
Children of Jane Powna and Sir John Trelawny
