Junior utility player Andras Levai scored a team-leading three goals, and sophomore utility player DJ Davis chipped in with one goal.
The family connected with Team Impact, an organization that helps children facing medical challenges gain support from a college team.
Six Colonials extended their matches past three games and five games were decided in extra points.
The showcase marks the first international tournament for the Colonials in more than 20 years.
Dannheim will be the first Colonial in eight years to compete at the national competition.
After a back-and-forth fourth quarter, a last second layup by redshirt freshman forward Mayowa Taiwo pushed GW to the 64–63 win.
Volleyball is headed to the Atlantic 10 Championship for the second time under head coach Sarah Bernson after missing postseason play last year.
Men’s squash was downed by Virginia and Princeton, while women’s squash suffered the same fate against Princeton this weekend.
Senior forward Arnaldo Toro started the game for the team, played two minutes and then left with an injury, recording one defensive rebound.
In the four games the team has played this season, the lead has changed 52 times and the squad has remained cold from behind the arc.