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One of the best basketball products to come out of New York City lost his mom and brother after they battled coronavirus.

Erica Telfair, the mother of former NBA and Abraham Lincoln High School star Sebastian Telfair, died early Monday after battling the virus, although her official cause of death is unknown. She was 64.

Her passing comes after her son and Sebastian’s older brother, Dan Turner, died March 28 from COVID-19. Former Lincoln head coach Dwayne “Tiny” Morton confirmed both deaths.

During an interview with the Undefeated in late March, former Knicks and Nets guard Stephon Marbury, Telfair’s cousin, said Turner died from COVID-19. He also noted that Telfair’s mom was “fighting for her life” at the time because of “this virus.”

Both Sebastian and younger brother Ethan Telfair, who played at Lincoln and Idaho State, posted remembrances of their mother on social media Monday. “Let me see them X-rays. I ain’t no expert. We just hurt!” was posted on Sebastian’s Instagram story along with his mom’s name, her birthday and the day she died.

“Rest In Peace Mommy,” Ethan wrote on Twitter on Sunday. “Until we meet again my angel.”

Dan Turner, who was a coach at Lincoln and for the Juice All-Stars travel program, also used to run the basketball tournament on Coney Island bearing Sebastian Telfair’s name.

“Today i lost my big brother and it’s ripping my heart and spirit apart,” Ethan Telfair wrote on Twitter in March. “I love you so much and i don’t know how I’m going to get over this.”

Sebastian Telfair was drafted No. 13 overall by the Trail Blazers in 2004 after jumping to the NBA straight from high school. He ended up playing 10 seasons in the NBA before going to play in China. Telfair, 34, was convicted in Brooklyn of weapons possession in April 2019. He was sentenced to 3¹/₂ years in prison last August, but is out on $500,000 bail and confined to house arrest from 7 p.m. to 7 a.m., according to TMZ.

More than 12,000 people in New York City have died from coronavirus.