County of Loon - Counts of Loon

Counts of Loon

• Giselbert (- 1046), probably the son of Count Otto in the Betuwe and Liutgard, daughter of Count Albert I of Namur, married Erlende de Jodoigne
• Emmon (1046–1078), probably the son of Giselbert,
• Arnold I (1078–1126), son, married Agnes, daughter and heiress of Count Gerard of Rieneck, Burgrave of Mainz; with his son
  • Gerard I (1101–1103)
• Arnold II (1126–1139), son of Arnold I
• Louis I (1139–1171), son, married Agnes, daughter of Count Folmar V of Metz
• Gerard II (1171–1191), son, married Adelaide, daughter of Count Henry I of Guelders
• Louis II (1191–1218), son, married Ada, daughter of Count Dirk VII of Holland, also Count of Holland 1203 - 1207, followed by his brothers as guardians of his minor nephews Louis III and Arnold IV:
  • Henry (1218)
  • Arnold III (1218–1221), Count of Rieneck, married Adelaide, daughter of Duke Henry I of Brabant
• Louis III (1221–1227), nephew of Louis II, son of Count Gerard III of Rieneck, also Count of Rieneck 1221 - 1243, renounced Loon in favour of his younger brother:

• Arnold IV (1227–1273), son of Count Gerard III of Rieneck, married Joanna, daughter of Count Louis IV of Chiny, also Count of Chiny
• John I (1273–1279), son, married Matilda, daughter of William IV, Count of Jülich, secondly Isabelle de Condé
• Arnold V (1279–1323), son, also Count of Chiny 1299 - 1313, married Margaret of Vianden
• Louis IV (1323–1336), son, also Count of Chiny since 1313, married Margaret, daughter of Duke Theobald II of Lorraine

Line extinct, succeeded by:

• Theodoric, (1336–1361) son of Gottfried of Sponheim, Lord of Heinsberg and Mechtild of Loon, sister of Count Louis IV, also Count of Chiny and Lord of Heinsberg
• Gottfried (1361–1362), nephew, son of John of Heinsberg, married Philippa, daughter of Count William V of Jülich, also Count of Chiny and Lord of Heinsberg, sold the comital title to:
• Arnold VI of Rumigny (1362–1366), claimant, renounced in favour of Liège.