The Maricopa County Sheriff's office and the Arizona Department of Public Safety issued an AMBER Alert at 10:14 a.m. Monday after the children's grandparents and an uncle were found slain and the children were apparently kidnapped.
Bryan Cervantes is described as being a 18-month-old Hispanic male, with black hair and unknown eye color. He is 2 feet 5 inches tall and was last seen wearing an orange T- shirt with airplane on it and blue shorts.
Jennifer Cervantes is described as being a 3-year-old Hispanic female, black hair, who is 3 feet and 4 inches tall. She was last seen wearing a pink T-shirt with "B" on it and flowered jeans.
The suspect, Rodrigo Cervantes-Zavala. is described as being a 34-year-old male, Hispanic with black-graying hair, approximately 170 pounds.
The suspect may be driving a white 1998 Ford F-150 pickup with Arizona license plate number 866NMZ or a Green 1993 Buick four-door sedan with Arizona license plate number 709SDW.
Anyone with information is asked to call the Maricopa County Sheriff's office at (602) 876-1011 or dial 911.