Interesting facts about Ibn Hajr, al Iraqi and al Haythami.

Hafiz Iraqi was teacher and father in law of Hafiz al Haythami (author of Majma al Zawaid). al Iraqi married his daughter to al Haythami.

Both I.e. al Haythami and al Iraqi were teachers of Ibn Hajr al asqalani (and also Taqi ud din al Maqrizi).

Ibn Hajr said :

I remained with them (husband and wife) and never saw they left tahajjud.

He also said: al Haythami used to revere and respect extremely his father in law al Iraqi. I don’t think anyone else would do this for his father in law.

المجمع المؤسس للمعجم المفهرس by Ibn Hajr page 267