Rancho Agua Hedionda

During the Mexican-American War, Marrón's support of the Americans caused him considerable difficulties with many of his Mexican friends.

[5] With the cession of California to the United States following the Mexican-American War, the 1848 Treaty of Guadalupe Hidalgo provided that the land grants would be honored.

[8] Juan Marrón died in 1853, and left Rancho Agua Hedionda to his widow and children.

Hinton, a bachelor, died in 1870, and left Rancho Agua Hedionda to his mayordomo Robert Kelly.

[12] Robert Kelly (1825–1890) was a native of the Isle of Man who came to the United States with his family in 1841, and arrived in San Diego early in 1851.