House of Loon
- Coat of Arms
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House of Loon
Lords of Borgloon, Kuringen
and Rheineck
Counts of Loon and Rieneck -
House of Loon-Chiny
Lords of Borgloon, Kuringen, Agimont, Warcq and Givet
Counts of Loon and Chiny
Assumed additional name and joined arms with that of Chiny family as their successors
- Cadet Branches
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House of Rieneck
Lords of Rheineck, Grumbach, Rothenfels, Grunsfeld and Gemünden
Burgraves of Mainz
Counts of Rieneck
Issued from Gerhard, younger son of Louis III, Count of Loon -
House of Loon d'Agimont
Lords of Agimont, Warcq, Givet, Remicourt and Walhain
Issued from John II, son of John I, Count of Loon from his 2nd marriage -
House of Loon-Heinsberg
Lords of Blankenburg, Dalenbroich
and Heinsberg
Counts of Chiny and Loon
Matrilineal branch issued from Mechtild, daughter of Arnold V of Loon
- Personal Arms
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Gérard de Looz
Castellan of Chauvency and Moiry
Younger son of Arnold IV, Count of Loon