In the dialogue, Chet (Robert Vaughn character) refers to "Dr. Ship" as his great-uncle, and Morton Sterns as his uncle. During the trial, when Dr. Shippen in on the witness stand, they refer to Morton as his nephew.
The name is Stearnes, you illiterate vagabonds. Now, off my lawn, or I will summon the police.
"Stearnes" - I say! You are correct!
Your cemetary plot is hardly what one would call a lawn, however. I shall move along as soon as I recycle this six-pack of malt beverage all over your grave marker.