The paper examines the development of speech and language in children who grow up in bilingual families. In the theoretical part of the paper, the basic characteristics of bilingualism are considered, taking into account the physical, cognitive and emotional-social development of the child within the framework of family and bilingual education. The second part of the paper presents research that aims to investigate the language development of children from bilingual families. For the purposes of the research, a survey questionnaire was compiled for parents, which sought to gain insight into the development of bilingualism in children who have been exposed to two languages since early childhood. The results of the survey indicate the advantages of being exposed to two languages from an early age, such as interaction with children of different cultures, which contributes to easier acquisition of a second language and enrichment of vocabulary at an early age.