Legal Advice
Sibling squabble over qualification of a witness to a last will

Dear PAO,

I have an aunt who was a successful businesswoman in her province. When she became critically ill, she entered into a lease contract with her business partner for a townhouse near the hospital, where she regularly had checkups. Eventually, my said aunt died but without being able to pay almost a year's worth of rent on the leased townhouse. During the settlement of her estate, one of my cousins revealed that their mother had prepared a last will and testament. This came as a surprise to her other siblings, as they were not aware that their mother had prepared a last will. When my other cousins examined my aunt's last will, they questioned the fact that the business associate of their mother was one of the witnesses in the execution of the last will. They claim that the last will of their mother is not valid since the business associate is technically a creditor of their mother for the unpaid rent. They presented the demand letters sent by the business partner to their mother for the collection of unpaid rent. The other siblings are now fighting over whether or not the last will is valid because of the involvement of the business partner-creditor as a witness. Because of this entire squabble among our relatives, we want to ask now if the said business partner of our aunt can be considered as a valid witness to the execution of a will despite her being a creditor of our aunt.