In the charge of is defined as under the control of or responsible for.
If there are children under the care of their grandmother, this is an example of when they are in the charge of their grandmother.
Browse entries near in the charge of
in saecula saeculorum
in service
in situ
in statu quo
in-synch
in the interests of
in toto
in utero
in vacuo
in vino veritas