THOMAS, JACOB, son of the celebrated 18th century adventurer and soldier of fortune, George Thomas, an Irish sailor who had carved out a small kingdom for himself in the wastelands of Haryāṇā. Jacob Thomas was in the service of Begam Samrū before he joined Mahārājā Raṇjīt Siṅgh's army in 1838. In the Sikh army he was given command of Najīb regiment, composed of Punjabi Muslims. In 1843, he was removed from the service by the army pañchāyats. He left Lahore for Sardhanā in present-day Uttar Pradesh.