Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
The origins of Deportivo B can be found in 1914, when is Fabril Sociedad Deportiva is born. In 1963, after a merger with Club Deportivo Juvenil, it officially became the reserve team of Deportivo de La Coruña, being thus renamed Fabril Deportivo.
In 1994 the team was again renamed, this time as Deportivo de La Coruña B. It managed to play four consecutive years in the third division in the mid-90s and another two in the following decade, but competed mostly in the lower leagues.
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.