Complex sentence: The Clan Keith were often at feud with the neighbouring Clan Irvine and in 1402 the Clan Irvine are said to have attacked and defeated an invading war party of the Clan Keith in what was known as the Battle of Drumoak.
Split into simpler sentences: The Clan Keith were often at feud with the neighbouring Clan Irvine. In 1402 the Clan Irvine are said to have attacked and defeated an invading war party of the Clan Keith in what was known as the Battle of Drumoak.