Who is the biological father of Elton John second child?

Related questions

1. What happened to Elton John's voice?
2. Does actor sing in Bohemian Rhapsody?
3. How many octaves can Taylor Swift sing?
4. Who's still alive from Queen?
5. What did Freddie Mercury die off?
6. How many octaves could Elvis sing?
7. Did Taron Egerton really sing in Rocketman?
8. Can Elton John read music?
9. Who was John Reid in Bohemian Rhapsody?
10. What is Bennie and the Jets mean?

Tags

1. #husband
2. #biological
3. #known
4. #mother
5. #surrogate
6. #three
7. #david
8. #elijah
9. #father
10. #singer
11. #elton
12. #whether
13. #zachary