Count Jan I van Holland 
Jan I van was born in 1281 in <,'s-Gravenhage,Zuid Holland,Netherlands>.1 He was an only child. He died at the age of 18 on November 10th, 1299 in ,Haarlem,Noord Holland,Netherlands.1
Jan I van and Elizabeth Plantagenet Princess of were married in a religious ceremony on January 8th, 1297 in ,Ipswich,Suffolk,England.1
1 "Genealogical Research of Kirk Larson"
Further sources/citations:
"Heraldry Coat of Arms", "Héraldique européenne", "FamilySearch® Ancestral File™ v4.19"
Further sources/citations:
"Heraldry Coat of Arms", "Héraldique européenne", "FamilySearch® Ancestral File™ v4.19"
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