He was born circa 1773, and was baptized 30 Jan 1773 in Camargo. His father was Francisco Ignacio Villarreal, and his mother was Teresa Landa (Vela). He owned San Rafael grant, Jim Hogg County.
He married Gertrudis Lopez, daughter of Rafael Lopez and Antonia Farias on 20 Nov 1797 in Camargo. He was 24 years old.
San Rafael grant, Jim Hogg County