Question: Who is Anne Of Ostfriesland's paternal grandmother?
Sentence (from "Edzard II, Count of East Frisia"): Edzard II, Count of East Frisia was count of East Frisia, (24 June 1532, in Greetsiel – 1 March 1599, in Aurich) and the son of Enno II of East Frisia and Anna of Oldenburg.
Relevant evidence: Yes