He was born circa 1741. His father was Juan Jose Lopez de Jaen, and his mother was Isabel Maria Sanchez. His mother owned Revilla 20 grant, Zapata County.
Juan Jose Lopez de Jaen, head of household, español
Isabel Maria Sanchez Navarro, wife, española
Jose Vicente Lopez de Jaen, son, español, 9 years old
Maria Lopez de Jaen, daughter, española