Gucia was born in 1897. Gucia's father was Yekiel SZEPS and his/her mother was Chana Rachel SZEPS. His/her paternal grandparents were Dawid SZEPS and Maria RECLHMANN. He/she had two brothers and three sisters, and also a sibling of unknown gender, named Moses, Fradel, Ester, Ewa, Bluma and Henoch. He/she was the second youngest of the seven children.