Question: When did Otto Vi, Margrave Of Brandenburg-Salzwedel's father die?
Sentence (from "Margaret of Brandenburg"): Margaret of Brandenburg- Salzwedel( born ca. 1270 – died 1 May 1315) was a German noblewoman member of the House of Ascania and by her two marriages Duchess of Greater Poland( during 1293 – 1296), Queen of Poland( during 1295 – 1296) and Duchess of Saxe- Lauenburg( during 1302 – 1308).
Relevant evidence: No