[1] In reality Arnulf might be Arnulf, Count of Holland, the father of Dirk III (the maternal great-grandfather of Sophia of Loon) or Arnulf of Haspinga (her paternal grandfather); and Luitgard might be Luitgarde of Namur, her paternal grandmother; thus, Rodolph was her paternal great-grandfather (see the ancestry chart below), who can possibly be identified with Richwin II, Castelijn of Baelen-Limbourg (1033).
[2] It is believed that they may have met in the court of the Holy Roman Emperor, where Géza was sent as a hostage in 1062–1063,[3] at which time he must have been unmarried in line with the custom of not sending married men as hostages to foreign courts.
Sophia probably died soon after her husband became king (1074-1077), since Géza in 1075 had already another wife, the Byzantine princess Synadene.
In addition to them, two more sons died in infancy, and probably three daughters reached the adulthood.
One of them became the mother of ispán Bors, a claimant to the Hungarian throne (exiled to Byzantium), while another daughter became the mother of Iván, a claimant to the Hungarian throne (executed in c.