The document discusses the migrations of the Ten Tribes of Israel after the kingdom split around 930 BC. It describes how Jeroboam set up pagan worship centers and priests in Bethel and Dan, which became a sin for the northern tribes. Over time, the northern tribes came to be known as the House of Omri or Cimmerians. The document asserts that when the Assyrians invaded Israel, some Cimmerians fled by sea and settled in Wales, where their descendants and language remain today with many similarities to Hebrew. Linguistic evidence from Welsh words is presented to support the claim of ancient migration from Israel.