The marriage contract , bound the territory to Portugal , and the lands would be returned to their heirs .
He would eventually donate all these lands to his daughter D. Beatriz , whom he had marry the defeated King D. Afonso III after his invasion of Portugal .
The marriage contract , bound the territory to Portugal , and the lands would be returned to lands ' heirs .
He would eventually donate all these lands to his daughter D. Beatriz , whom he had marry the defeated King D. Afonso III after his invasion of Portugal .