They came together Monday at the gravesite where the remains of Tina Fontaine and her father, Eugene, are buried.
The family expressed sorrow but also was grateful for the support they've received in the last year.
No arrests have been made since 15-year-old Tina's body was pulled from the river.
Winnipeg police say it is still an active investigation and a priority for the homicide unit.
Joe and Thelma Favel could not control their emotions at a ceremony to unveil a monument marking the grave of their 15-year-old niece.
The Favels said they have had little contact with Winnipeg police recently. The family still doesn't know Tina's cause of death, and they worry the case has gone cold.
Tina Fontaine was reported missing from foster care last August. She came into contact with Winnipeg police days later but was not taken into custody. A few hours later, she was found passed out in a downtown alley and taken to hospital. She was picked up by social workers and taken to a hotel where she ran away again.
Her body was found wrapped in a bag in the Red River more than a week later.
Members of Drag the Red, a group searching for clues into missing and murdered women, attended the memorial.
Bernadette Smith said Tina's death inspired her to begin organizing the searches.
"Tina Fontaine's death was really an awakening for our whole community. And I think we have to support each other in these times of tragedy,” said Smith.
Smith's sister, Claudette Osborne, has been missing since 2008.
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