Frederick and Beatrice had: • Henry (died between 972 and 978) •
Adalbero II (958–1005),
bishop of Verdun and
Metz •
Theodoric I, Duke of Upper Lorraine (965–1026),
count of Bar and duke of Upper Lorraine • Ida (970–1026), married, in 1010,
Radbot, Count of Habsburg (970–1027), who built the castle of Habichtsburg and is thus an ancestor of the great
Habsburg family which dominated Europe in the sixteenth century. ==References==