Complex sentence: In tales where he is Pellinore's son his brothers are Sir Aglovale, Sir Lamorak and Sir Dornar, and he also has a half-brother, by his father's affair with a peasant woman, named Sir Tor.
Split into simpler sentences: In tales where he is Pellinore's son his brothers are Sir Aglovale, Sir Lamorak, and Sir Dornar. He also has a half-brother, by his father's affair with a peasant woman, named Sir Tor.