More than a year after she sought sanctuary in an effort to stay in the United States and take care of her parents, Rosa Sabido has lost her mother.

The Cortez resident, an undocumented immigrant who has been living in sanctuary at Mancos United Methodist Church since June 2017, announced Wednesday that her mother, Blanca Valdivia, had died two days before after a chemotherapy treatment in Mexico. Sabido plans to hold a public memorial service for her in Mancos. The date has not been set.

Sabido said Valdivia was diagnosed with Stage 2 cancer in December 2017 and decided to seek treatment in Mexico in order to be near relatives there. She died unexpectedly of a heart attack after her first chemotherapy treatment.

When Sabido first entered sanctuary to avoid deportation, she said one of her primary reasons for staying in the United States was to continue caring for her mother, a lawful permanent resident who was already in poor health before the cancer diagnosis. But as the months dragged on with no prospects of legal residency for Sabido, and as the seriousness of her illness became more apparent, Valdivia made the difficult decision to seek treatment in Mexico.

Apart from her husband, Roberto Obispo, Sabido was Valdivia’s closest relative in the U.S. Several other family members have been deported, and Sabido has been unsuccessfully seeking lawful resident status since 2001. She said her inability to care for her mother during the illness was devastating for both of them.

After hearing of her mother’s death, she said in an emotional Facebook post that one reason for her fight to stay in the U.S. was gone. But despite that loss, she said on Thursday that her resolve to “seek justice” is stronger than ever.

“It doesn’t matter if we are babies and mothers or a 54-year-old woman and a mother,” she said. “Families are family, and our family has been destroyed – separated.”

Sabido said she plans to remain in sanctuary and continue to promote immigration reform through social media and the activist group Rosa Belongs Here. Recently, she’s been promoting the cause by writing a message for Durango’s Families Belong Together rally in June and participating in interviews with filmmaker John Sheedy, who is filming a documentary for the Mancos Creative District’s ongoing “We All Belong” art project.

Sabido has said several times that she sees her position as a way to help raise awareness of the plight of immigrants everywhere in the U.S. On Thursday, she said that hasn’t changed.

Valdivia, who had lived in the Cortez area for more than 20 years, was buried in Mexico on Wednesday. Unable to attend in person, Sabido participated in her funeral via video conference call. She said it was beautiful and “very traditional Mexican.”

But she plans to hold a public memorial service for Valdivia’s U.S. friends and family. Valdivia spent many years working at the Ute Mountain Casino, as well as several local restaurants, and Sabido said she made many friends in Montezuma County.

“I think she deserves that, and I think the people that knew her deserve that – to have a service celebrating her life,” she said.

She said she plans to advertise the memorial service publicly once she knows which date will work with the Methodist Church’s schedule.