Graz is the last name.

So the abbreviation is: gates B.

The general structure of English names is: Christian name, self name+surname. English names and Chinese names are in the opposite order.

British people are used to abbreviating all their Christian names and middle names, such as M.H. Thatcher.

Americans are used to abbreviating only middle names, such as? Ronald? Regan

Note that the first name is abbreviated and the last name is not abbreviated.

Extended data:

1. Abbreviations of names only abbreviate first names, not surnames;

2, regardless of the east and west, abbreviated names are written in the form of surname first and name last; ?

All capitalized names of magazine authors must be surnames;

According to the custom of English-speaking people, when a baby is baptized, it is called the Christian name by the priest or parents or relatives. In the future, I can take a second name after my Christian name.

On many occasions, middle names are often omitted, such as George Bush. Many people prefer nicknames to formal Christian names, such as Bill Clinton. The above Christian names and middle names are also called human names.

References:

English Name-Baidu Encyclopedia