Generate a prefix and suffix that can go onto someone's name to signify family.
Here are some examples of prefixes and suffixes for English family names:
**Prefixes**:
- Kil-
- Gil- 
- Fitz-

**Suffixes**:
- -ant
- -cox
- -kin
- -man

You can also have a look at [Wikipedia](https://en.wikipedia.org/wiki/List_of_family_name_affixes) for a longer list of affixes in English and other languages.