Claim: Rudolph II of Burgundy who was the successor of Conrad I (a member of the Elder House of Welf), died on 11 July 937.
Evidence: Elder House of Welf 11 July 937 Conrad I 
Rudolph II (c. 11 July 880 – 11 July 937), a member of the Elder House of Welf, was King of Burgundy from 912 until his death. Conrad I