Reno says to Veld in Case of Shinra that he wouldn't be less surprised to be awaken by the ghost of his father than him, implying that at least his father died.

Elena works in the slums of Wall Market & has her own place there & her sister character's description from a guidebook/ultimania says that her hometown is the slums. If you pick Emma as the player Turks, she also mention "It’s been years since I was last down here…" when she end up in the slums during the chapter focused on Aerith in Before Crisis.