Squabbling to inseparable: 12 soccer siblings who made their mark in the U.S.

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Samantha and Kristie Mewis

The second set of sisters to suit up for the full U.S. national team, after the Fair twins, were the Mewises from Massachusetts. Kristie, the elder by 19 months, made the first of 15 appearances in February 2013, and Samantha, who was on the winning U.S. team at the 2012 FIFA U-20 World Cup, followed about a year later.

They'd played together with youth national teams, battling together as the Yanks finished second at the 2008 U-17 World Cup -- Kristie was the U.S. captain and won the Bronze Ball as the third-best player -- and at the U-20 finals two years later. Kristie last suited up for the U.S. in 2014, but Samantha, who at 5-foot-11 stands four inches taller than her big sis, has become a regular in midfield the past year and a half and figures to play a vital role heading toward the 2019 World Cup. She stars for the NWSL's North Carolina Courage, and Kristie plays for the Washington Spirit.

Angela and Phil Hucles



Angela Hucles was a key backup for the women's national team from 2002 through 2009, but she stepped into a starting role when Abby Wambach was injured just before the start of the 2008 Beijing Olympics and was critical in the Yanks' gold-medal effort. She had been part of two World Cup teams without seeing the field and had helped the U.S. to gold in Athens four years earlier, but her legacy was marked by four goals in China, two in the semifinal victory over Japan. She won 109 caps, played for the Boston Breakers in the WUSA and WPS, and is the immediate past president of the Women's Sports Foundation.

Her younger brother was an All-American at William and Mary who was drafted in 2004 by the Chicago Fire. He never played in MLS, and now is an attorney in Virginia.

Brian, Brent and Kassey Kallman

Brent is a starting defender with MLS' Minnesota United, and Kassey is a starting defender with the NWSL's Washington Spirit, making them the premier brother/sister duo in today's American game.

Brian, 32, came first, playing 10 seasons with Minnesota’s various USL and NASL franchises before retiring last year. Brent, who like Brian starred at Creighton University, played alongside his brother starting in 2013 and last year became a regular with Minnesota United in central defense.

Kassey, also a defender, has the highest profile. She starred at Florida State, was part of the U.S. team that won the FIFA U-20 World Cup five years ago, and is in her fourth NWSL season. Two other sisters, Krystle and Kylie, played at the University of Minnesota.

Sabrina and Monica Flores

The 21-year-old twins from Livingston, N.J., faced off against each other in last year's FIFA U-20 World Cup quarterfinals, with Sabrina in the U.S. lineup and Monica playing for Mexico. The U.S. rallied to win in stoppage time, and footage of Sabrina, the elder by 11 minutes, consoling Monica afterward was seen across the globe.

The University of Notre Dame teammates were together in the U.S. youth pools from 13 to 16, but Monica, a defender, looked to their ancestral homeland when she stopped getting calls from the Yanks. She's already debuted for Mexico's full national team, and Sabrina, who can play on the backline or in midfield, is hopeful a U.S. call will come her way.

NEXT: Bridging generations in the men’s and women’s game