Deletion of List of sister tennis players by nation

Comment: I disagree with the interpretation of  + the notion that there are no references to support such a list. See also List of professional sports families as well as references such as https://www.usatoday.com/story/sports/tennis/open/2016/08/31/tennis-siblings-highs-and-lows-competing-together/89669074/ USA Today, https://athlonsports.com/nfl/30-best-brothers-sisters-and-twins-sports Athlon Sports & Life, http://www.thesportster.com/entertainment/top-15-athletes-who-you-didnt-know-had-a-sibling-in-pro-sports/ Sportster, https://www.si.com/tennis/2016/03/15/zoe-isabella-ruben-kruger-south-africa-tennis-invictus Sports Illustrated to start. There are plenty more based on a cursory US-based Google search. Article could use expansion, not deletion per 
Stance: keep
Cited policy: Wikipedia:Notability (WP:LISTN||WP:ATD)