Colin Kaepernick is sitting alone, without even the company or support of the woman who gave birth to him.

Heidi Russo, the birth mother of the 49ers quarterback who has been refusing to stand for the national anthem, told Kaepernick — publicly, on Twitter — he is bringing shame to the family and the country.

@Kaepernick7 There's ways to make change w/o disrespecting & bringing shame to the very country & family who afforded you so many blessings. — Heidi Russo (@Heidirn1) August 27, 2016

Russo, who gave birth at 19 and, destitute at the time, placed him up for adoption, was loud in her disapproval, telling Kaepernick — whose biological father is black — there are better ways to protest what he identifies as oppression of black people and minorities in the United States.

As the Twitter vitriol built, many took shots at Russo for giving up her son, then scolding him from afar. She got a taste of the polarity of Kaepernick’s position and switched to the defensive, alluding to those who “sit on social media in their glass houses throwing stones.” The irony of using social media to criticize her son, then complaining about those who criticize on social media appeared to be lost on her.

Love people who wallow in their ignorance and sit on social media in their glass houses throwing stones. #geteducated #adoptionisablessing — Heidi Russo (@Heidirn1) August 28, 2016

Kaepernick has not responded to Russo on Twitter. His social media have gone silent since last weekend, when the world learned of his silent protest.

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