Entity 1 - Formed 1888 folded by 1895
Entity 2 - Formed 1899 after Duntocher FC moved to Clydebank and changed their name accordingly before being disbanded around 1902.
Entity 3 - Formed 1914 and defunct by 1931.
Entity 4 - 1964, the Steadmans merged East Stirlingshire FC with Clydebank juniors to form Clydebank FC before selling the stadium without a ground to play at, tinpot stuff, and playing home games at both Dumbarton and Greenock until they became Airdrie after being bought out around 1996.
Entity 5 - The current incarnation.
You've had more clubs than Jack Nicklaus ya clown shoe.