Mr. Hein delivered the keynote speech at the conference.

We visited the small house where Heine once lived.

At the family reunion, Heins gathered in the old farmhouse to reminisce about their grandfather.

In my analysis class, the professor illustrated the Heine-Borel theorem by showing that the closed interval [0,1] is compact because it is closed and bounded.

Heinle sent the revised manuscript to the publisher on Monday.

Heinen accepted the award on behalf of the research team.

The Heinemans hosted a lively reunion in the old barn last Sunday.

The Heinens arrived at the family reunion carrying homemade pies.

Heineman presented new research at the conference and sparked a lively discussion.

Heindels gathered in the town square to commemorate their ancestor's invention.