House of Heinsberg

Coat of Arms
House of Heinsberg
Lords of Blankenburg, Löwenburg, Heinsberg and Saffenburg
Assumed differentiated arms of Valkenburg family as their successors in Heinsberg
House of Loon-Heinsberg
Lords of Blankenburg, Dalenbroich
and Heinsberg
Counts of Chiny and Loon
After 1336 assumed additional name and arms of Loon family as their successors

Cadet Branches
House of Sponheim-Löwenburg
Lords of Löwenburg and Dollendorf
Issued from Johann, 2nd son of Heinrich I, Lord of Heinsberg
House of Loon-Blankenheim
Lords of Jülich and Gerolstein
Counts of Blankenheim
Issued from Wilhelm, 2nd son of Johann II, Count of Loon
Assumed the name and arms of Blankenheim family as successors