21. Choice of lives.

The class of person whose lives may be chosen to provide for vesting consistently with the law against perpetuities may be quite arbitrary and have no connection with the beneficiaries1.

It is not material that those persons take no interest in the property2 or are not connected with the persons having an interest in it in any way3. There is no limit to their number4, provided that evidence will be available to determine when the survivor of the lives drops5.

The qualifications necessary are that they must all be persons6 who are or will necessarily7 be ascertainable and in existence, or