Complex sentence: His only child by his wife, called Jane Rolfe, and in 1675 married Colonel Robert Boling and herself had two children, John Boling (born January 26,1676) and Rebecca Boling.
Split into simpler sentences: His only child by his wife, Jane Rolfe, married Colonel Robert Boling in 1675. They had two children, John Boling (born January 26,1676) and Rebecca Boling.