Complex sentence: Renfrew is known as the "Cradle of the Royal Stewarts" through its link with the Royal house of Scotland and Great Britain gained royal burgh status in 1397 and became county town of Renfrewshire, also known as the County of Renfrew.
Split into simpler sentences: Renfrew is known as the "Cradle of the Royal Stewarts" as a result of its early link with the Royal house of Scotland and Great Britain. It gained royal burgh status in 1397 and became the county town of Renfrewshire, also known as the County of Renfrew.