First it was Matthais but the true one was Saul/Paul
If Matthew the disciple/apostle had a wife we are not told about it in the Bible.
The apostle John.
Paul the Apostle wrote a letter to the church at Ephesus. The people in this area were called the Ephesians. Many books of the Bible mention Ephesus, but Ephesians in particular says it the most.
You could count it up - but I'm not sure that this is terribly important to gaining a good understanding of the New Testament.
You could count it up - but I'm not sure that this is terribly important to gaining a good understanding of the New Testament.
None
Yes, Cephas is mentioned in the Bible as another name for the apostle Peter in the New Testament.
The apostle Paul is not mentioned as preaching in Jerico in the bible.
Since you have the number it sounds like you already know the answer
The Bible does not mentioned what happened to all of Jesus' immediate Apostle except Judas Iscariot. Therefore your question is unanswerable.
No one actually knows for certain what happened to the wife of the Apostle Peter. A wife is mentioned in 1 Corinthians 9:5 but nothing else known.
Peter's father was Jona (Jonah) but his mother's name is not known.
John the Apostle and beloved disciple. See Revelation 1:1,4 and 9.
The word 'apostle' is mentioned in 19 times in the New Testament in the King James Version of The Bible. It appears 20 times in the NIV Bible so the count varies slightly depending on which translation you use. The difference being Galatians 2:8 which uses the word 'apostle' in the NIV and apostleship in the KJV.
No, there is no mention of Timothy having ulcers in the Bible. Timothy was a young companion of the apostle Paul and is mentioned in several of Paul's letters, but there is no indication of him suffering from ulcers.
If Matthew the disciple/apostle had a wife we are not told about it in the Bible.
Paul speaks of his travails as an apostle (including all those mentioned in the question) in 2 Corinthians 11:23-27.