Juan Manuel José Domingo Ortiz de Rosas was born on 30 March 1793 at his family's town house in Buenos Aires, the capital of the Viceroyalty of the Río de la Plata.
Juan Manuel José Domingo Ortiz de Rosas lahir pada 30 Maret 1793 di rumah kota keluarganya di Buenos Aires, ibukota Wakil Kerajaan Río de la Plata.