Carl Slate may be related to Bill Clinton

Question

My great-grandfather, Carl Slate, is a fourth cousin of Virginia Dell (Cassidy) Clinton, the mother of Bill Clinton. 

Carl and Virginia are fourth cousins

Carl Slate and Virginia (Cassidy) Clinton are both descendants of Samuel Slate.

1. Carl is the son of Sylvanus Slate [unknown confidence]
2. Sylvanus is the son of Benjamin Slate [unknown confidence]
3. Benjamin is the son of James Madison Slate [unknown confidence]
4. James is the son of Benjamin Slate [unknown confidence]
5. Benjamin is the son of Samuel Slate [unknown confidence]
This makes Samuel the third great grandfather of Carl.

1. Virginia is the daughter of Edith Valeria Grisham [unknown confidence]
2. Edith is the daughter of Lemma Newell Grisham [unknown confidence]
3. Lemma is the son of James B. Grisham [unknown confidence]
4. James is the son of Elizabeth (Stade) Grisham [unknown confidence]
5. Betsey is the daughter of Samuel Slate [unknown confidence]
This makes Samuel the third great grandfather of Virginia.