sentences:  The lands encompass present-day Santa Ana, Orange, Villa Park, Anaheim Hills, El Modena, Tustin, Costa Mesa, and a part of Irvine, which was formerly known as Rancho Lomas de Santiago and was titled to one of the Yorbas.Juan Pablo Grijalva, a Spanish soldier who traveled to Alta California with the De Anza expedition, was the original petitioner for the lands that became known as the "Rancho Santiago de Santa Ana".He died before the grant was approved and the lands went to his son-in-law, José Antonio Yorba and his grandson, Juan Pablo Peralta.