Hélie de Semur was born 1016 to Damas I de Semur (?-bef1048) and Aramburga de Bourgogne (999-?) and died after 22 April 1055 of unspecified causes. She married Robert I de Bourgogne (1011-1076) 1033 JL . Charlemagne (747-814)/s.
Helie was rejected by her husband in 1046, and entered the monastery of Beaune in 1050 as Sister Petronilla.