For one thing, âTrumpâ is not his real name. The Donaldâs grandfather was a German immigrant named Frederick Drumpf who emigrated to the U.S. in 1885 and became a naturalized citizen in 1892. At some point, he started calling himself âFrederick Trump,â but it is unclear if he ever changed his name officially.
incumbent. adj. 1. (often: postpositive and foll by on or upon and an infinitive) morally binding or necessary; obligatory: it is incumbent on me to attend.
Merge this question into. Split and merge into it. Answered by The Community. Making the world better, one answer at a time. An incumbent agency is the advertising agency that has the business of a client or company.It is the agency that is currently under contract with a client to advertise their products or services.erge this question into. Split and merge into it. Answered by The Community. Making the world better, one answer at a time. An incumbent agency is the advertising agency that has the business of a client or company.