Friderada married at least three times and was the grandmother of Otto, Duke of Lorraine.
[3][2] Bernarius was murdered in 883 by Hugh, Duke of Alsace, son of Lothair II, King of Lotharingia, and his concubine Waldrada, and Friderada married her husband's murderer.
Chronologically, Friderada could possibly have been a daughter or granddaughter of Liudolf, but no concrete evidence of this exists.
Friderada had two husbands between Engelram and Hugh: Bernarius, and Wipert of Nantes, son of Lambert III of Nantes and Rotrude of Italy, daughter of Lothair I, Holy Roman Emperor.
Both Bernarius and Wipert were reportedly executed in 883 by Hugh in order to marry the widow, so it is unlikely that they were both Friderada’s husband.