Question: When is Catherine Herbert, Countess Of Pembroke's husband's birthday?
Sentence (from "Catherine Herbert, Countess of Pembroke"): Catherine Herbert, Countess of Pembroke ("née" Yekaterina Semyonovna Vorontsova; ; 24 October 1784 – 27 March 1856), was a Russian noblewoman who later married the Earl of Pembroke.
Relevant evidence: No