I am not sure I understand the description. If your grandfather transferred the property into a trust three months before he died and that trust became irrevocable at his death then the inheritance claims of heirs do not apply to the property. The question then is who are the beneficiaries under the trust. Those beneficiaries are entitled to rent from any occupant. If you are one of the beneficiaries then a portion of the net rent (after expenses are paid) should go back to you. If the lease falsely claims that the two heirs are the owners then it can be modified to reflect the true state of affairs. While it is not clear you seem to say that an heir notarized your grandfather’s deed. I do not see a particular problem with that as long as that heir was a notary.
When the trust assumed ownership upon the death of the trustor, the trust languages should dictate whether your current lease is valid. In addition to you as a tenant, you may also be the beneficiary to the trust. Therefore, your dual roles may not be compatible with each other. Edward C. Ip www.lawyer4property.com
No attorney / client relationship established. The answr is for discussion and general information only. The lawyer had not reviewed any documents or contract prior to the above comments.
The trust instrument will dicate the rights and responsibilities of the parties.
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In your last sentence you state a legal conclusion with no facts to support it. Most laymen have no idea what must be proven to set aside a lease of contract on the basis of duress. The showing is very very high. do not assume that whatever pressure you were under constitutes legal duress.