Two Prime Ministers who were first cousins fit the bill - William Pitt the Younger (who was PM from 1783-1801 and from 1804-6) and William Grenville, who was PM from 1806-7.
Pitt's father and Grenville's uncle was the Earl of Chatham (William Pitt the Elder), who was PM from 1766-8.
Grenville's father and Pitt's uncle was George Grenville, who was PM from 1763-5.
The child of your father's first cousin is your second cousin.
The child of your father's first cousin is your second cousin.
Your first cousin's father is your uncle. Your second cousin's father is your first cousin, once removed - or the husband of your first cousin, once removed. Your third cousin's father is your second cousin, once removed - or the husband f your second cousin, once removed.
No, your father's first cousin is the parent of your second cousin. Your second cousin is your father's first cousin, once removed.
The son of your father's first cousin is your second cousin .
Your first cousin's father is your uncle. Your second cousin's father may be your first cousin once removed, or may not be related to you at all.
You and your father's first cousin are first cousins, once removed.
Your father's first cousin is your first cousin once removed. Your father's second cousin is your second cousin once removed.
Your father's first cousin's child is your second cousin. Your father's first cousin's grandchild is your second cousin, once removed. Your child and your father's first cousin's grandchild are third cousins to each other.
You are the cousin of your father's aunt's daughter.
Office of the First Minister was created in 1999.
Your father's first cousin is your son's first cousin twice removed. Your father's second cousin is your son's second cousin, twice removed. And so forth...