Despite his Vulcan heritage, Spock had to see the irony in what had happened.

They were said to be a Spartan, reserved people, as befitted their Vulcan heritage.

Except, despite his Vulcan heritage, he'd never shown any proclivity for telepathy.

"Illegal acts and threats are not part of the Vulcan heritage," Spock said.

She was close to discovering what I did, that one man aboard who is seemingly human has a Vulcan heritage.

"Do you make a special effort to confound expectations about your Vulcan heritage?"

I've also got his human, Romulan, and Vulcan heritage to work in there.

There were times when the maintenance of composure as mandated by his Vulcan heritage was a very difficult responsibility indeed.

Spock's Vulcan heritage meant he was barely at the midpoint in his life.

In speaking to the captain at all regarding matters of his Vulcan heritage, he had behaved like a sentimental fool.