Deborah,
The following is my translation of this double matzeivah.

Left:
At top: here lies (abbr.)

First line: Husband and our dear father

Second line: Zalman Dovid the son of Issachar Dov

Third line: Milar (Miller)

Fourth line: who died on 30 Shevat 5697

Fifth line: may his soul be bound up in the bond of eternal life (abbr.)

Note: 30 Shevat 5697 corresponds to 11 Feb. 1937

Right:

At top: here lies (abbr.)

First line: our dear and important mother

Second line: Mrs. Mintsie the daughter of Aharon of blessed memory (abbr.)

Third line: who died on the 11 Shevat 5704

Fourth line: may her soul be bound up in the bond of eternal life (abbr.)

Note: 11 Shevat 5704 corresponds to 5 Feb. 1944