Is C++ and Swift related?

Question

1) Is C++ required to be learnt before learning Swift language
2) How is C++ related to Swift?
3) What all programming languages are related to Swift?
4) Does one need to learn C and C# after learning C++
5) How can one install C++ on Xcode for learning and programming purposes?

Answer 1

take the Swift course, most of those questions are answered in the first lessons.