Answer:
1) The prefix "Mac" means "son". "Mc" is an anglicized version that is used in Scotland and Ireland. It is patronym and the female equivalent is Nic. Example is Mackenzie.
2) Prefix fitz has the same meaning with suffix son which the former has been used from Norman times. Therefore, there are examples such as Fitzgerald and Fitzpatrick.
3) In Dutch language, are composed of the combination of father's name and ending. The suffixes are zoon for sons, dochter for daughters. For example, Janszoon and Simonsdochter.