Proper noun
Leffert (plural Lefferts)
A surname.
Leffert did note that with the myriad of issues around diabetes in the U.S. and the rising numbers of people with type 2 diabetes and prediabetes, it may not be the best course to be complacent with an A1C of 7 to 8 percent and think “everything is okay.” Source: Internet
With increased railroad traffic, in 1886, Leffert Buck replaced Roebling's wood and stone bridge with the predominantly steel bridge that still carries trains over the Niagara River today. Source: Internet