Question: Who is Tatiana Santo Domingo's father-in-law?
Sentence (from "Tatiana Santo Domingo"): Tatiana Casiraghi ("née" Santo Domingo; born 24 November 1983) is a Monegasque socialite, heiress, and the wife of Andrea Casiraghi, who is fourth in the line of succession to the Monegasque throne.
Relevant evidence: Yes