 As his name was Andrew, they named the island St Andrew's Island.This expedition was followed by Portuguese attempts to establish a settlement on the river banks.No settlement ever reached a significant size, and many of the settlers intermarried with the natives while maintaining Portuguese dress and customs and professing to be Christians.Communities of Portuguese descent continued to exist in the Gambia until the 18th century, with Portuguese churches existing at San Domingo, Geregia and Tankular in 1730.