Question: What round was Fred Gehrke's great-grandson drafted in by the Miami Marlins?

Context articles: 1948 NFL season
Miami Marlins (International League)
History of the Miami Marlins
List of Miami Marlins seasons
Christian Yelich
List of Miami Marlins first-round draft picks
Fred Gehrke
1948 Los Angeles Rams season
Glenn Geffner
2012 Miami Marlins season

The 1948 NFL season was the 29th regular season of the National Football League.
 During the season, Halfback Fred Gehrke painted horns on the Los Angeles Rams' helmets, making the first modern helmet emblem in pro football.
 The last regular season game played on Wednesday until the 2012 season happened on September 22, 1948, between Detroit and Los Angeles.
The Miami Marlins were a minor league baseball team based in Miami, Florida.
 The original Marlins were a Triple-A franchise in the International League from 1956 through 1960.
 The International League team was succeeded by a Single-A team in the Florida State League (now the Fort Myers Miracle) and today's Miami Marlins of Major League Baseball.
The Miami Marlins are a Major League Baseball team that currently plays in the city of Miami.
 Founded in 1991 as the Florida Marlins, the Marlins began play in in the suburb of Miami Gardens, and moved to the city in , becoming the Miami Marlins at that time.
The Miami Marlins (originally the Florida Marlins from 1993 until 2011) are a professional baseball team that has been based in Miami Gardens, Florida since becoming an expansion team in .
 The Marlins are a member of both the Major League Baseball's (MLB) National League Eastern Division and the National League (NL) itself.
 For the first 19 seasons, the Marlins played their home games at Sun Life Stadium.
 Beginning with the season, the Marlins play home games at Marlins Park in Little Havana.
Christian Stephen Yelich (born December 5, 1991) is an American professional baseball left fielder for the Miami Marlins of Major League Baseball (MLB).
 Yelich was drafted out of high school by the Marlins in the 1st round (23rd overall) of the 2010 Major League Baseball Draft.
 He stands 6 feet 3 inches and weighs 195 pounds.
The Miami Marlins are a Major League Baseball (MLB) franchise based in Miami, Florida.
 They play in the National League East division.
 Since the franchise was established in 1993 as the Florida Marlins, the Marlins have selected 32 players in the first round.
 Officially known as the "First-Year Player Draft", the Rule 4 Draft is MLB's primary mechanism for assigning players from high schools, colleges, and other amateur clubs to its franchises.
 The draft order is determined based on the previous season's standings, with the team possessing the worst record receiving the first pick.
 In addition, teams which lost free agents in the previous off-season may be awarded compensatory or supplementary picks.
 The First-Year Player Draft is unrelated to the 1992 expansion draft in which the Marlins filled their roster.
Clarence Fred Gehrke (April 24, 1918 – February 9, 2002) was an American football player and executive.
 He played in the National Football League (NFL) for the Cleveland / Los Angeles Rams, San Francisco 49ers and Chicago Cardinals from 1940 through 1950.
 To boost team morale, Gehrke designed and painted the Los Angeles Rams logo in 1948, which was the first painted on the helmets of an NFL team.
 He later served as the general manager of the Denver Broncos from 1977 through 1981.
 He is the great-grandfather of Miami Marlin Christian Yelich
The 1948 Los Angeles Rams season was the team's 11th year with the National Football League and the third season in Los Angeles.
 The Rams debuted the first helmet logo in league history in 1948, an idea that was conceived by running back Fred Gehrke.
 The season opener against the Lions was the final Wednesday night game in the NFL.
 In his first NFL game, future Pro Football Hall of Famer Tom Fears scored twice in the fourth quarter, and had his only pick-six of his career in a 44–7 victory.
Glenn Geffner, a Miami native, is a radio play-by-play announcer for the Miami Marlins.
 Geffner joined the Marlins radio broadcast team in 2008.
 Geffner partners with Dave Van Horne on the Marlins Radio Network.
 In addition to his play-by-duties, Glenn hosts the Marlins pre- and post-game shows.
The 2012 Miami Marlins season was the 20th season for the Major League Baseball franchise.
 The Marlins moved into Marlins Park for the 2012 season; as part of the agreement, they changed their name from the "Florida Marlins" to the "Miami Marlins".