Question: Who is Bogusław Korwin Gosiewski's paternal grandfather?
Sentence (from "Wincenty Korwin Gosiewski"): Wincenty Aleksander Korwin Gosiewski "de armis" Ślepowron (c. 1620 – 29 November 1662) – was a Polish nobleman, general, Field-Commander of Lithuania from 1654, Grand Treasurer of Lithuania and Lithuanian Great-Quartermaster since 1652, General of Artillery of Lithuania from 1651, Grand-Master of the Pantry of Lithuania from 1646 (honorary court title).
Relevant evidence: Yes