Frederic Lewis, Tywysog Cymru (1 Chwefror, 1707 - 31 Mawrth, 1751) oedd mab y brenin Siôr II o Brydain Fawr.

Gwraig

• Augusta o Saxe-Gotha.

Plant

• Augusta
• Siôr III o'r Deyrnas Unedig
• Edward Augustus, Dug o Efrog
• Elizabeth Caroline
• William Henry
• Henry Frederick
• Louisa Anne
• Frederick William
• Caroline Matilda, brenhines Denmarc a Norwy

Tywysogion Cymru | Genedigaethau 1707 | Marwolaethau 1751

Friedrich Ludwig von Hannover | Frederick, Prince of Wales | Federico Luis de Hannover | Federico di Hannover | 프레데릭 루이스 | Frederik van Hannover | Fredrik Ludvig av Hannover | Fredrik Ludvig av Wales | 弗雷德里克王子 (威尔士亲王)