Grass (née Markushevits) Ester‑Iza Ioshuovna (20 September 1933, Aizpute) — philologist.

Ester‑Iza Grass was the daughter of Henrieta Markushevits (née Funkelstein) (b. 1909, Kuldīga) and Ioshuah Markushevits (1908, Aizpute – 1942). In 1957, shegraduated from the Faculty of Russian Language and Literature at the Riga Pedagogical Institute. From 1958 to 1969, she worked as a proof‑reader for the newspaper Sovetskaya Latvija, and from 1969 to 1972 as a registrar at Riga's 5th Children’s Polyclinic.

She was married to Ludvig Grass (born 1928, Krasnodar Krai); their marriage ended in divorce in the late 1960s. Their son Igor Grass was born in 1964 in Riga.

In 1972, Ester‑Iza Grass was granted permission to emigrate to Israel at the invitation of her maternal aunt, Zina Ravid (née Funkelstein) (born 1914, Aizpute).

Ludvig Grass (1928, Krasnodar Krai) — husband
Igor Grass (1964, Riga) — son
Henrieta Markushevits (née Funkelstein) (1909, Kuldīga) — mother
Ioshuah Markushevits (1908, Aizpute – 1942) — father
Zina Ravid (née Funkelstein) (1914, Aizpute) — maternal aunt