Seven feet of English ground, or as much more as he may be taller than other men.
Notes from Wikiquote
When asked by his traitorous brother, Tostig, how much of England he was prepared to give up to the invading King Harald Hardrada of Norway, he said 6 feet of ground for a grave.
Variants
He will give him seven feet of English ground, or as much more as he may be taller than other men.