Getty / Instagram @123bobbyt Composite

Mark Sanchez 's former partner and mother of his son is breaking her silence following the ex-NFL quarterback's recent criminal charges ... and she's making it clear her priority is their child.

Model Bobby T -- whose real name is Erin Campaneris -- shares 8-year-old Daniel with Sanchez ... and released a statement on Instagram Sunday, saying she's aware of the "serious criminal charges" facing her son's father but remains focused on shielding Daniel from the fallout. Instagram / @123bobbyt

"My foremost priority has always been, and remains, our eight-year-old son," she wrote, adding that she had initially chosen to stay silent "to protect Daniel." But now that the case is public, she says her concern for his safety "hasn’t changed."

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