Mathew Knowles' secret baby mama has started legal action against him after he sent her threatening emails...
According to reports Alexsandra Wright filed papers in family court seeking an increase in her $12,000 a month child support so she can afford to hire security after receiving a threatening email from Mathew.
Alexsandra claims the email cautioned, "You hurt my family. There's a price to pay."
Alexsandra is also seeking additional funds for private school for her and Mathew's 2 year old son Nixon.