Its looking like Martin Cranes wife Ronee wont be returning in the Frasier reboot, so the revival shows only reference to her suddenly carries a lot more weight. In the original series, Ronee was introduced as a Seattle lounge singer and Frasiers childhood babysitter. Although Frasier initially tried to woo her, she ended up entering a romantic relationship with Frasiers dad. Ronee and Martin eventually got married in the Frasier finale season 11, episodes 23 and 24, Goodnight, Seattle giving Martin the happy ending he always deserved.

https://screenrant.com/frasier-reboot-ronee-wendie-malick-marty-wife-not-return-reference/