in (someone's) keeping

Translations
в распоряжении (кого-то); на попечении (кого-то)
The family heirloom is in my keeping until my sister returns.
Семейная реликвия находится в моем распоряжении, пока не вернется моя сестра.
Definitions
Being under someone's care, protection, or responsibility; something that is in someone's keeping is looked after or guarded by that person.
Words
keeping

noun
сохранение