In the entire world, Siefert (Siefert ) is an extremely rare epicene first name. Much more prevalently, Siefert is the last name as well as the forename.
Siewert, Siéfert, Syfert, Зиферт, and 西瓦
Mr, Ron, Roy, Rex, Dan, Don, Dã, Gã, Leo, Les, Lee, Lea, Liz, Lou, Jan, Jay, Joe, Jes, Ray, Jim, Pia, Kim, Ms, Al, Bj, Jo, Max, Mel, Sue, Ana, Ann, Ary, Amy, Cat, Ben, Bob, Kai, Kay, Ken, Pat, and Jã
) is an extremely rare epicene first name. Much more prevalently, Siefert is the last name as well as the forename.