This person of the toun, for she was feir,
In purpos was to maken hire his heir,
Bothe of his catel and his mesuage,
And straunge he made it of hir mariage.
His purpos was for to bistowe hire hye
Into som worthy blood of auncetrye.
– Geoffrey Chaucer
The Canterbury Tales, The Reeve’s Tale. The parson plans to marry his granddaughter to a higher class of family of noble ancestry. So he intends to make her his heir, to make her financially attractive. Those with money could finance a marriage with cash-poor members of the nobility, and this is what the parsont wants for granddaughter Molly.