Proper noun
Holdren (plural Holdrens)
A surname.
Nonetheless, after consulting with many colleagues, Paul and Berkeley physicists John Harte and John Holdren accepted Simon's challenge in late 1980.. Source: Internet
Rose Holdren, Gallia Prosecutor Jason Holdren’s oldest daughter and age 9, wrote President Donald Trump a letter last year sharing with him her desire to assist his security detail and her involvement with Holdren’s campaign. Source: Internet