Dalmia family tree

Generation 1:

Ramkrishna Dalmia (7 Apr 1893–26 Sep 1978)
Dinesh Nandini Dalmia (16 Feb 1928 Udaipur — 25 Oct 2007 Delhi), Ramkrishna’s wife
Jaidayal Dalmia (11 Dec 1904 Chirawa — 1993)

Generation 2:

Neelima Dalmia Adhar (21 May 1951-), Ramkrishna Dalmia’s daughter

Raghu Hari Dalmia
Ajay Hari Dalmia
Vishnu Hari Dalmia (6 May 1924–16 Jan 2019)
Jai Hari Dalmia (18 Sep 1944)
Yadu Hari Dalmia (2 Jun 1947)

Generation 3:

Sanjay Dalmia (1944 Lahore), Vishnu Hari Dalmia’s son
Anurag Dalmia, Vishnu Hari Dalmia’s son

Sources:

https://img.advertgallery.com/wp-content/uploads/2019/01/shri-vishnu-hari-dalmia-ji-prayer-meeting-baithak-ad-times-of-india-mumbai-17-01-2019.png