The arms at the head of this map are the St George 's cross impaled on the crowned harp .
The red saltire is prominent in the arms of the Earl of Kildare and the other Geraldine families placed over their respective spheres of influence .
The arms at the head of this map are the St George 's cross impaled on the crowned harp , but the red saltire is prominent in the arms of the Earl of Kildare and the other Geraldine families placed over their respective spheres of influence .