found: Y Bywgraffiadur Cymreig - Dictionary of Welsh Biography (online), viewed March 7, 2024(Jones, David (1797-1841), missionary; connected with the Madagascar Mission for nearly 25 years under the London Missionary Society; born at Pen-rhiw near Neuadd-Iwyd, Cardiganshire; at 16 he offered himself for service under the L.M.S., was appointed to Africa and ordained at Newaddlwyd in 1817; arrived in Madagascar in 1818, laid low with fever, buried his wife and child at Tamatave; settled at Antananarivo in 1820, and in conjunction with David Griffiths translated the Bible into Malagasy; with the help of David Johns he published a Spelling Book, a Catechism, and a Hymnary; forced to leave but used Mauritius as a base for evangelization; died there in September 1841)