"I am asking you to find it in your kind hearts to please help my friend’s family by donating what you can.
"Our hearts go out to the whole family at this very traumatic time."
And people have been paying their respects to Ms Hough on social media.
Writing on Facebook, Laura Daniels said: "Been thinking about them all since I heard! Devastated for all the family. Love to you all x."
Diane Feilder posted: "My prayers, love and thoughts to everyone concerned. Prayers for the little ones to pull through. May she rest in peace."
Karen McCarrick Evans commented: "Absolutely heartbreaking. God bless you all hope the boys find the strength to carry on fighting xx."
And Emma Oultram said: "Absolutely devastating news. I was praying that this pregnant lady and the seriously injured little boys pulled through. So very sorry to her family. Heartbreaking doesn’t cover it, life is so cruel at times. Prayers for the 2 little boys x."
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