Complex sentence: The delegation was accompanied to Romanian territory by the 1st Battalion of the 9th Serbian Brigade; the 1st Battalion would fight within the 109th Regiment of 74th Rifle Division until 7 October.
Split into simpler sentences: The delegation was accompanied to Romanian territory by the 1st Battalion of the 9th Serbian Brigade. Battalion fought within the 109th Regiment of 74th Riffle Division until 7 October.