Bodies of Vijay (32), Khemchand (8), Rinku (6) and Sapna (4) were recovered from the well in Nagalwas village today, police said.
Vijay's wife Asha was found dead with injury marks on her body by a roadside in Bandikui in Dausa district yesterday morning, they said.
However, Asha's family lodged a complaint against Vijay accusing him of murdering their daughter when he had come to meet her in Alwar on Saturday, Sub-Inspector Sri Ram said.
The matter is being probed, police said.