By the early 1630s, the Tayac's hold over some of his subordinate werowances had weakened considerably. But, when the English began to colonize what is now Maryland in 1634, the Tayac "Kittamaquund" managed to turn the newcomers into allies. He had come to power that year after killing his brother "Wannas", the former Tayac. He granted the English a former Indian settlement, which they renamed St. Mary's City after their own monarch. The Tayac intended the new colonial outpost to serve as a buffer against the Iroquoian Susquehannock incursions from the north. "Kittamaquund" and his wife converted to Christianity in 1640 by their friendship with the English Jesuit missionary, Father Andrew White, who also performed their marriage. Their only daughter Mary Kittamaquund became a ward of the English governor and his sister-in-law, colonist Margaret Brent, both of whom held power in St. Mary's City and saw to the girl's education, including learning English. At a young age, Mary Kittamaquund married the much older English colonist Giles Brent, one of Margaret's brothers. After trying to claim Piscataway territory upon her father's death, the couple moved south across the Potomac to establish a trading post and live at Aquia Creek in present-day Stafford County, Virginia. They were said to have had three or four children together. Brent married again in 1654, so his child bride may have died young. Benefits to the Piscataway in having the English as allies and buffers were short-lived. The Maryland Colony was initially too weak to pose a significant threat. Once the English began to develop a stronger colony, they turned against the Piscataway. By 1668, the western shore Algonquian were confined to two reservations: one on the Wicomico River; the other, on a portion of the Piscataway homeland. Refugees from dispossessed Algonquian nations merged with the Piscataway. Colonial authorities forced the Piscataway to permit the Susquehannock, an Iroquoian-speaking people, to settle in their territory after having been defeated in 1675 by the Iroquois Confederacy (Haudenosaunee), based in New York. The traditional enemies eventually came to open conflict in present-day Maryland. With the tribes at war, the Maryland Colony expelled the Susquehannock after they had been attacked by the Piscataway.