Henry VIII married his first wife Katherine of Aragon (pictured left) on 3rd June, 1509.
Katherine quick facts:
She had previously married Henry's brother Arthur Tudor (pictured right): the marriage was part of a deal between Henry and Spain, and was 16 years in negotiation.
Arthur died after 6 months of marriage, in Ludlow Castle.
When Henry and Katherine were engaged, Katherine was 17, Henry was 12.
They were married for over 20 years.
Of Katherine's children, only Mary survived.
This list of Katherine's births is a reminder of how things were during Tudor times......
1510 Unnamed Daughter - died of natural causes
1511 Henry Tudor - Son - died aged 53 days of natural causes
1513 Unnamed Son - died on day of birth of natural causes
1514 Unnamed Son - died on day of birth of natural causes
1516 Mary - survived
1518 Unnamed Daughter - died of natural causes
Englishhistory.net has a link to Katherine's last letter to Henry, written in 1536. He had married Anne Boleyn in 1533.