Edward Breese (1873). Kalendars of Gwynedd; or, Chronological lists of lords-lieutenant [&c.] ... for the counties of Anglesey, Caernarvon, and Merioneth. p.24.
Nicholas, Thomas (1991). Annals and antiquities of the counties and county families of Wales. Baltimore: Genealogical Pub. Co. p.695. ISBN9780806313146.
Edward Breese (1873). Kalendars of Gwynedd; or, Chronological lists of lords-lieutenant [&c.] ... for the counties of Anglesey, Caernarvon, and Merioneth. p.26.
Nicholas, Thomas (1991). Annals and antiquities of the counties and county families of Wales. Baltimore: Genealogical Pub. Co. p.612. ISBN9780806313146.