Henrik Jakob Christian Amalius Otto Hennings
1Kraks Blaa Bog (Aarlig Udgave siden 1910 / Yearly Published since 1910), 1910-, Kraks Forlag.
Wilhelm Frederik Sophus Magnus Bjørnsen Hennings
1Kraks Blaa Bog (Aarlig Udgave siden 1910 / Yearly Published since 1910), 1910-, Kraks Forlag.
Paul Christian de Coninck Hennings
1Kraks Blaa Bog (Aarlig Udgave siden 1910 / Yearly Published since 1910), 1910-, Kraks Forlag.