Complex sentence: In 1603 King James I gave the lands to Sir Charles Blount, whose son in 1636 sold the estate to Sir John Bankes, who had been appointed attorney general to King Charles I in 1634.
Split into simpler sentences: In 1603 King James I gave the lands to Sir Charles Blount. In 1636, his son sold the estate to Sir John Bankes, who had been appointed attorney general to King Charles I in 1634.