Juan José Castro 1805–1878, married Maria Rita Josefa Pinto, January 23, 1826, SJS# 1603, and had 9 sons and 7 daughters:

Ignacio Castro
Maria Angustia Josef baptized 3/19/1843 at 25 days old, SCZ# 2690
Guadalupe Castro [son #2, 1831]
Trinidad Castro [son #1 born 1827?]
Jesús Maria Castro [son #3, 1837]
José Manuel Castro [son #4]
José Domingo Castro 7/9/1836 SCZ# 2258
Maria del Carmen Resurrecion del Refugio Castro, baptized 12/2/1838 at 27 days old: SCZ# 2310
Maria Antonia Famina Castro Maria Antonia Francisca del Refugio, baptized 10/1/1840 at 14 days old, SCZ# 2352
Maria Delores Carmen Castro
Carmela Castro
Rafael Castro
Martina Castro
Joaquín Castro

They were godparents for two half-brothers from his father's second marriage.

1850 census:
Juan Jose Castro farmer $12,000 value
Age 30 [45-48?]
Birth Year (Estimated) 1820
Birthplace California
Race White
Manuel Castro F 25 [son #2?]
Guadalupe Castro F 23
Trinidad Castro F 17
Maria Castro F 18
Dominga Castro F 13 [son Domingo, born 1836]
Bita Castro F 50 [wife Rita}
Cameran Castro M 12
Antonio Castro M 10 [dgt Antonia, born 1840]
Augusta Castro F 8 [dgt born 1843]
Joaquin Castro M 27
Josebia Castro F 25
Jose Castro M 8
Joaquin Castro M 4

1860 Census Santa Cruz, Pajaro township:
Juan Jose Castro Male 50 1810 California White [1805-1806]
Josefa Castro Female 52 1808 California White illiterate [wife Rita}]
Manuel Castro Male 3 1857 California White {grandson
Trindia Castro Male 33 1827 California White [son Trinidad]
Guadelupe Castro Male 29 1831 California White [son
Jesus Ma Castro Male 23 1837 California White [son
Domingo Castro Male 20 1840 California White [son
Carmela Castro Female 19 1841 California White [dgt
Augusta Castro Female 17 1843 California White [dgt
Antonia Castro Female 18 1842 California White [dgt born 1843]
Maria Castro Female 13 1847 California White [dgt
Concepcion Castro Female 12 1848 California {dgt

1870 census
Name Juan Jose Castro Male 68
Event Date 1870
Event Place Watsonville, Santa Cruz, California, United States
Event Place (Original) Pajaro, Santa Cruz, California, United States
Birth Year (Estimated) 1802
Birthplace California
Race White
Cannot read/write
$3000 property value
Rita Castro F 70 California [wife]
Trinidad Castro M 41 California [son
Domingo Castro M 36 California
Maria De L A Castro F 18 California [granddaughter
G Castro M 16 California

He was said to have been over 6 feet tall, like his brothers, and over 300 pounds. Juan José Castro and Guadalupe Castro were elected Justices of the Peace of the county in 1851. On December 13, 1873 the Rancho San Andrés Castro Adobe was sold to the highest bidder in front of the courthouse with 39 acres, Lot #3, for $2,000. This was Juan José's lot and the Castro family hacienda.

His father, Joaquín Castro, was granted the 8,911 acre Rancho San Andres in 1833 in modern day Watsonville: https://www.parks.ca.gov/?page_id=22271. After Joaquín's death, Juan José completed the Castro Adobe, today a historic park. On January 30, 1877, Juan José Castro, aged 75, died and was buried in the Catholic Cemetery (St. Patrick's Church).