Having these two individual trees form one, you would never know extended family exist. Only that of the a nuclear family seen from the outside.
References
Lamanna, M. A., Riedmann, A. C., & Stewart, S. (2015). Chapter 1. In Marriages, families and relationships: Making choices in a diverse society (12th ed., p. 18). Cengage Learning.
Lamanna, M. A., Riedmann, A. C., & Stewart, S. (2015). Chapter 2. In Marriages, families and relationships: Making choices in a diverse society (12th ed., p. 18). Cengage Learning.
Lamanna, M. A., Riedmann, A. C., & Stewart, S. (2015). Chapter 2. In Marriages, families and relationships: Making choices in a diverse society (12th ed., p. 32). Cengage Learning.
Lamanna, M. A., Riedmann, A. C., & Stewart, S. (2015). Chapter 2. In Marriages, families and relationships: Making choices in a diverse society (12th ed., p. 38). Cengage Learning.
Lamanna, M. A., Riedmann, A. C., & Stewart, S. (2015). Chapter 2. In Marriages, families and relationships: Making choices in a diverse society (12th ed., p. 40). Cengage Learning.
Lamanna, M. A., Riedmann, A. C., & Stewart, S. (2015). Chapter 2. In Marriages, families and relationships: Making choices in a diverse society (12th ed., p. 41). Cengage