Kevin Mazur / WireImage 1 / 7
Kevin Mazur / WireImage 1 / 7

Whitney Houston's sister-in-law has obtained a restraining order against the new husband of the late singer's daughter Bobbi Kristina Brown after alleging he made threats against her.

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Pat Houston claims Nick Gordon also posted photos of guns on Twitter earlier this month, directly after an alleged fight at a family function.

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Now he has been ordered to stay away from the "I Will Always Love You" star's former manager and confidante, who is also the executor of her sister-in-law's estate.

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Gordon received the legal paperwork on Monday.

Brown and Gordon announced they were married in January.