Who is Alvin Tostig?

The Staff Report by SDSTAFF David, “In the Elton John song “Levon,” who is Alvin Tostig?”, it is noted that there was a historical “Tostig,” who was the Earl of Wessex back in the 1040s.

Tostig Godwinson (1026? – September 25, 1066) was an Anglo-Saxon earl of Northumbria (1055) and traitorous brother of King Harold II of England, the last crowned Anglo-Saxon King of England. His father, Godwin, was Earl of Wessex.