Count Johan I (XII) of Loon

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About Count Johan I (XII) of Loon

Jan van Loon (-1279)

Medlands

 John I of Loon  
-1279  
Count of Loon  
Period   1273-1279  
Predecessor   Arnold IV  
Successor   Arnold V  

Father   Arnold IV van Loon  
Mother   Johanna van Chiny  
John I of Loon (d. 1279 ) was the eldest son of Count Arnold IV van Loon .  In 1273 he succeeded his father as the twelfth count of Loon . 
John married his first wife Mathilde van Gulik , daughter of Count William IV of Jülich .  Therefore he was also in possession of Heinsberg , and Lion Mountain .  He also received the title "van Gulik.  After his death in 1279 his son succeeded Arnold him as Mr van Loon. 
He later married in 1266 with Isabella Condé (ca. 1245), the daughter of John II of Montmirail 1st Mr Condé .  From his second marriage were born: 
Jan III van Loon Mr Agimont (1268-1310), they married in 1285 with Marie Nesle (1270-1328).  She was the daughter of Jan van Nesle count of Soison (1240-1300) and Marie Oudenaarde Lady of Chimay (1246-1290).