Gertrude Courtenay married Sir John Chichester of Raleigh and had issue.
↑ Vivian, J. L. (John Lambrick)., College of Arms (Great Britain). (1895). The visitations of the county of Devon: Comprising the herald's visitations of 1531, 1564, & 1620. Exeter: For the author, by H. S. Eland. pg 173
↑ Chichester, Alexander Palmer Bruce, Sir, bart., 1842-1881; Spicer, Alexander. History of the family of Chichester, from A.D. 1086-1870. Including the descents of the various branches settled at Raleigh, Youlston, Arlington, Widworthy, Calverleigh, Hall, and elsewhere in Devonshire; also of the Chichesters, marquesses of Donegal, and barons Templemore. 1871. London (Printed for the author) J. C. Hotten. pg 33