Question: Who is Frederick William Ii, Duke Of Schleswig-Holstein-Sonderburg-Beck's paternal grandfather?
Sentence (from "Frederick William II, Duke of Schleswig-Holstein-Sonderburg-Beck"): Frederick William II was the eldest son of Duke Frederick Louis (1653–1728) and his wife Louise Charlotte of Schleswig-Holstein-Sonderburg-Augustenburg (1658–1740).
Relevant evidence: Yes