Hands-on Care Needed For My Mother In San Francisco

My mother-in-law just turned 90 and mobility issues but is easy to work with. She prefers quiet. She primarily needs help with bathing, feeding and medication. She occasionally wanders or forgets to use her walker and needs to be monitored so she doesn't fall. Someone who speaks Chinese would be ideal, but Chinese isn't a must. Services needed include: feeding, and bathing / dressing, and light house-keeping.