" At the time of his death, Trease had three children and two grandchildrenWhich of the following additions to or changes in the facts of the preceding question would produce a violation of the common law Rule Against Perpetuities?
The instrument was an inter vivos conveyance rather than a will.
Trease had no grandchildren living at the time of his death
A posthumous child was born to Trease.
Trease's will expressed the intention to include all afterborn grandchildren in the gift.