The adopted son of Robert Trump, President Trump’s late brother, has announced he is engaged.

Robert Trump adopted Christopher Retchin Trump. his ex-wife Blaine’s son after they wed in 1984.

According to Page Six:

Philanthropist Blaine, who founded the charity God’s Love We Deliver, is thrilled, friends told Page Six, as Christopher plans to wed fiancée Katie Moebius next June in Aspen.

Posting a photo of the couple on Instagram, she wrote: “We could not be more excited that my son Christopher and his true love Katie are engaged!!! Finally some fantastic news! Can’t wait for the wedding and all that comes after. We love you Christopher and Katie!”

Moebius, who is the senior manager of global sports partnerships at Red Bull, added: “Love you Mama B! If it wasn’t for you, I would have never found my true love. Looking forward to a lifetime of adventures and love as a family.”

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Blaine and Robert were married until 2009. Robert died in August at age 71  and was given a funeral service at the White House last month.

It is unclear what Christopher and Robert’s relationship was like, but with the Instagram post from Blaine indicating “finally some fantastic news” it appears the family was upset about Robert’s passing.