Michael, on the other hand, today still holds Iraqi citizenship, as he did not officially give it up.
He also holds Portuguese citizenship, due to the many years spent in the country.
He held dual citizenship and returned to Switzerland as a child.
In 2010, the total population was 683, of which 666 people held Icelandic citizenship.
Both of the nominee's parents must be Egyptian citizens, and have never held foreign citizenship.
"I've always been told that Americans can't hold dual citizenship."
Around 19,000 people (6% of the population) held foreign citizenship.
More recently, it has also come to have a legal meaning, referring to people who hold Spanish citizenship.
Most jobs however do not require the person to hold German citizenship.
However there are citizens of Ukraine who hold dual citizenship.