The phrase "to keep all of someone" means to maintain control or possession over every aspect of someone or something. It implies a complete and thorough control over the person or thing in question.
Sentences with «to keep all of someone»
I didn't keep all of her collection, just the ones that were my favorites. (kittyskozykitchen.com)
I am excited to start new traditions while keeping some of our favorites. (theinspiredroom.net)
Record keeping of patient reports, training hours, vehicle and building maintenance, hose testing. (livecareer.com)