The IRS is after Mathew Knowles for unpaid taxes from the years 2010 and 2011. Knowles managed his daughter Beyonce's career until she fired him in March 2011.
According to TMZ, Mathew owes a total of $1,213,580.84 to the government.
He probably won't get much help from Beyonce, The two have barely spoken since she let him go. He still has not met his granddaughter Blue Ivy reportedly.