Question: When is George Lamb (Politician)'s father's birthday?
Sentence (from "George Lamb (politician)"): The youngest son of Peniston Lamb, 1st Viscount Melbourne, and his wife Elizabeth, and the brother of William Lamb, 2nd Viscount Melbourne, Frederick Lamb, 3rd Viscount Melbourne, and Emily Lamb, Countess Cowper, he was educated at Eton College and Trinity College, Cambridge, where he graduated MA in 1805.
Relevant evidence: Yes