Complex sentence: The home of the Gent family until the late 19th century, it was once owned by Ivar Bryce, a friend of Ian Fleming, who stayed at the house in the summer of 1956.
Split into simpler sentences: The home of the Gent family until the late 19th century, it was once owned by Ivar Bryce. Bryce was a friend of Ian Fleming, who stayed at the house in the summer of 1956.