Question: When did Rudolf Christian, Count Of East Frisia's father die?
Sentence (from "Rudolf Christian, Count of East Frisia"): Rudolf Christian of Ostfriesland, Count of East Frisia, was count of East Frisia, (Hage, 2 June 1602 – Hage, 17 April 1628) and the second son of Enno III, Count of East Frisia and Anna of Holstein-Gottorp.
Relevant evidence: Yes