Lord Aleksandr Zivonik, Baron Zivonik, was a Manticoran peer of the realm native to Sphinx. His parents emigrated to Sphinx from the Ukraine on Earth as part of the original colonial expedition. He was married to Evelina Zivonik and had seven children with her, including Karl, Larisa, Nadia, Stasya, Lev and their adoptive daughter Sumiko. He assisted Dr. Scott MacDallan when he investigated the death of a human who had been adopted by a treecat. (HHA2.1: TS, SK1)