Conversation so far:
What was Donald Trump's wealth?
When Trump announced his candidacy for the presidency on June 16, 2015, he released a one-page financial summary that stated a net worth of $8,737,540,000.
How did he get so much money?
Trump's ancestors originated from the German village of Kallstadt in the Palatinate on his father's side, and from the Outer Hebrides in Scotland on his mother's side.
Are there any other interesting aspects about this article?
Trump's mother Mary Anne was born in Tong, Lewis, Scotland.
At age 18 in 1930, she emigrated to New York, where she worked as a maid.

Question: Who was his father?
Self-contained rewrite: Who was Donald Trump's father?