GREENSBURG, Pa. (KDKA) — For those who loved her, Janet Shuglie was everything a good person could be.

(Credit: KDKA)

“She was two years older than me. She was my big sister and she stuck up for me all the time. She defended me,” says Nancy Martinelli.

READ MORE: Boy, 5, Falls From Second Floor Window

But Nancy Martinelli and Raymond Sartori haven’t seen their older sister or her 10-year-old daughter Morissa in decades. No one has.

“Our sister has been missing since June of 1985,” Martinelli explains.

The mother and daughter were last seen leaving a now long-gone hotel in Somerset County. A few days after she apparently vanished, Janet Shuglie’s husband, Frank, made a call to Nancy Martinelli.

“He had called me — her husband — and asked if I had seen her,” Martinelli recalls. “And I said, ‘What do you mean?’ And he said, ‘Oh we had an argument and she left.'”

“And I asked him, I said, ‘Did you call the State Police? Did you get in touch with anybody?’ And he said no, he hadn’t at that point.”

READ MORE: Police: 7 People Hospitalized After Two-Vehicle Crash, 1 Child In Critical Condition

State Trooper Stephen Limani says, “We conducted an investigation and were never able to charge anyone with a crime.”

But investigators say no one, including Frank Shuglie — who’s now in his 70s — has been ruled out as a suspect.

But the former cold case heated up with a new discovery — a 1967 class ring from Penn Trafford middle school.

(Credit: KDKA)

Family members confirmed the ring was Janet Shuglie’s. State Police are not saying where it was found, but family members hope it’s a key to unlock a tragic mystery.

“I know this was years and years and years ago, but there may be someone out there still who knows something,” says Sartori.

MORE NEWS: Indoor Mask Mandate Ends On West Virginia’s 158th Birthday

“Please, we beg you, come forward and help us out. We want to find our sister.”