Assertion: grandfather's brother | /r/HasProperty | half
Facets:
Source sentences:
text: My grandfather and her grandfather are half brothers.
text: @anon328204: Since your grandfathers are half-brothers, your parents are half-first cousins and you are half-second cousins.
text: My grandfather and her grandfather are half brothers.
text: So, his great-great grandfather and my great-great grandfather are half brothers (only sharing the same father).
text: So, his great-great grandfather and my great-great grandfather are half brothers (only sharing the same father).