Complex sentence: In 1625, he was succeeded by his son Charles I who was less skillful or restrained and was crowned in St Giles Cathedral, Edinburgh, in 1633 with full Anglican rites.
Split into simpler sentences: In 1625, he was succeeded by his son Charles I, who was less skillful or restrained. He was crowned in St Giles Cathedral, Edinburgh, in 1633 with full Anglican rites.