The Arabic nisba al-Tikriti refers to people who were either born in or whose family were from the Iraqi town of Tikrit.
It has also been suggested that Henry had a son, named either Henry or, on the basis of onomastics, Berenger, who is to be identified with Berengar II of Neustria.
Among his numerous students, John Pauls (Sydoruk), Volodymyr Zhyla, Robert Klymasz, Forvyn Bohdan, and Stephen Holutiak-Hallick continued his work in onomastics and other fields.
For a long time he was a member of International Committee for Onomastic Science in Leuven, and member of International Committee for Phonetics and Phonology of Slavic Languages in Moscow and also President of the Interacademic Committee of Onomastics in Zagreb.