Thyra married Styrbjörn "Sterki" (the Strong) Óláfsson, Prince of Sweden, son of Óláf "Mitkg" Björnsson, King of Sweden, and Ingeberg Thrandsdóttir. (Styrbjörn "Sterki" (the Strong) Óláfsson was born in 922 and died in 984 in Fyrisval, Uppsala, Sweden.)