Silas Botwin is Nancy's oldest son.
He's followed in his mother's footsteps, as Silas as proven to be an adept marijuana grower. Also, like his mom, Silas occasionally finds trouble. In season four, he had an affair with a much older woman.
Andy: First things first, you need to apologize. Good Lord and Creator made us fellable creatures. And who knows, maybe it’ll all be fine. Maybe she wont lose Stevie. She’ll probably lose Stevie but she’d kill Jill first. Maybe she’d have Shane do it.