Allegedly this is a picture of Zarif's son:
roozonline.com/uploads/RTEmagicC_0000000_aaaaaaaaamedi.jpg.jpg
This is the article in Persian language:
roozonline.com/persian/news/newsitem/article/-652b191f0b.html
Not really. It's surprisingly difficult to find pictures of Zarif's children.
Some people, like a few of Khamenei's closest alleged advisers, are like ghosts in Iran.