In today’s globalized world, more children are born to parents who speak two or more languages between them. These families manage complex language dynamics, with diverse language practices influencing communication among family members. The complexity intensifies when multilingual and multicultural parents move with their children to a country with a new majority language, while keeping connections to their original society. In such cases, balancing heritage and host country languages affects both cultural preservation and integration into a new society. Based on semi-structured interviews with seven Generation 1.5 Russian–Hebrew bilingual parents living in Finland, this paper explores their strategies for managing their children’s multilingual development. The study poses two key questions: What are the language management strategies reported by the parents? What are the major challenges these parents face in maintaining heritage Russian and Hebrew languages in Finland? Thematic data analysis using ATLAS.ti software highlights the parents’ persistent commitment to maintaining multilingualism within their families, focusing on preserving existing social connections and fostering new ones for the entire family. The findings reveal key aspects of parental language management, parental involvement and home environments, along with reported challenges, both personal and institutional, in maintaining Hebrew and Russian as heritage languages in Finland. This study offers a new perspective on language management strategies in multilingual families, handling a less-explored language combination. By analyzing individual language management approaches, this study reveals common strategies used to support multilingualism and balance heritage languages with those of a new environment, thereby contributing to discussions on linguistic diversity and multicultural integration in transnational settings.