Why did Gillian ask whether Miss Hayden was left anything by his uncle?

Gillian likely asked whether Miss Hayden was left anything by his uncle to clarify the nature of her relationship with him and to understand if there were any financial ties or inheritances involved. This inquiry could also indicate her curiOSity about the uncle's intentions and whether Miss Hayden had any claim to his estate, which might impact Gillian's own interests or expectations. Additionally, it could reflect Gillian's desire to gauge Miss Hayden's significance in the uncle's life.