Question: The Denkova-Staviski Cup is an annual international figure skating competition named after two-time World champion ice dancers Albena Denkova, and Maxim Staviski, a Russian-born naturalized Bulgarian ice dancer, Denkova is related to her, in which two ways?

Context articles: Evgeni Striganov
Albena Denkova
2010 Coupe Internationale de Nice
Anna Mosenkova
Maxim Staviski
Denkova-Staviski Cup
2009 Coupe Internationale de Nice
2015 CS Denkova-Staviski Cup
NRW Trophy
Ice Challenge

Jevgeni Striganov (born 23 March 1982 in Tallinn) is an Estonian ice dancer.
 With partner Marina Timofejeva, he is the 2003 & 2004 Estonian national champion.
 They were five time competitors at the World Junior Figure Skating Championships, with the highest placement of 17th in 2003.
 They placed 22nd at the 2003 European Figure Skating Championships and 26th at the 2003 World Figure Skating Championships.
 They were coached by Lea Rand, the mother of fellow Estonian ice dancers Kristjan and Taavi Rand.
Albena Petrova Denkova (Bulgarian: Албена Петрова Денкова , born 3 December 1974) is a Bulgarian ice dancer.
 With partner and fiance Maxim Staviski, she is a two-time (2006–2007) World champion, a two-time (2003–2004) European silver medalist, and the 2006 Grand Prix Final champion.
 Denkova and Staviski are the first Bulgarians to medal at the World Figure Skating Championships.
The 2010 Coupe Internationale de Nice (English: 2010 International Cup of Nice ) was the Coupe Internationale de Nice competition for the 2010–11 figure skating season.
 It was the 15th edition of the Coupe Internationale de Nice to be held.
 The Coupe Internationale de Nice is an annual international figure skating competition held in Nice, France.
 Skaters competed in the disciplines of men's singles, ladies' singles, and pair skating, and ice dancing on the levels of Senior, Junior, and Novice.
Anna Mosenkova (born June 13, 1973 in Tallinn) is an Estonian ice dancer.
 With partner Sergei Sychyov, she is the 2000-2002 Estonian national champion and competed at the World Figure Skating Championships and European Figure Skating Championships, with a highest placement of 21st at the 2000 European Figure Skating Championships.
 They also competed on the ISU Grand Prix of Figure Skating.
 They were coached by Lea Rand, the mother of Estonian ice dancers Kristian and Taavi Rand.
Maxim Staviski (Bulgarian: Максим Стависки , born 16 November 1977) is a Russian-born naturalized Bulgarian ice dancer.
 With partner and fiancée Albena Denkova, he is a two-time (2006–2007) World champion, a two-time (2003–2004) European silver medalist, and the 2006 Grand Prix Final champion.
 Denkova and Staviski are the first Bulgarians to medal at the World Figure Skating Championships.
The Denkova-Staviski Cup is an annual international figure skating competition named after two-time World champion ice dancers Albena Denkova / Maxim Staviski of Bulgaria.
 It is held in November and December in Sofia, Bulgaria.
 In some years the senior event is part of the ISU Challenger Series.
 Medals may be awarded in the disciplines of men's singles, ladies' singles, pair skating, and ice dancing.
The 2009 Coupe Internationale de Nice (English: 2009 International Cup of Nice ) was the Coupe Internationale de Nice competition for the 2009–10 figure skating season.
 It was the 14th edition of the Coupe Internationale de Nice to be held.
 The Coupe Internationale de Nice is an annual international figure skating competition held in Nice, France.
 Skaters competed in the disciplines of men's singles, ladies' singles, pair skating, and ice dancing on the levels of Senior and Junior.
The 2015 Denkova-Staviski Cup was a senior international figure skating competition held in October 2015 at the Winter Sports Palace in Sofia, Bulgaria.
 It was part of the 2015–16 ISU Challenger Series.
 Medals were awarded in the disciplines of men's singles, ladies' singles, and ice dancing.
The NRW Trophy is an annual international figure skating competition organized by the Skating Union of North Rhine-Westphalia and since 2007, it has been sanctioned by the Deutsche Eislauf Union and the International Skating Union.
 It is held every autumn at Westfalenhallen in Dortmund, Germany.
 Medals are awarded in the disciplines of men's singles, ladies' singles, pair skating, and ice dancing.
 The competition is held in two parts.
 The Ice Dance Trophy is held for ice dancing levels pre-novice to senior in early November.
 The Figure Skating Trophy is held for singles and pairs skating levels novice to senior in late November or early December.
The Ice Challenge (formerly known as the Leo-Scheu-Gedächtnislaufen or Leo Scheu Memorial) is an annual international figure skating competition organized by the Austrian Figure Skating Association and sanctioned by the International Skating Union.
 The event is usually held every autumn in Graz, Austria.
 Medals may be awarded in the disciplines of men's singles, ladies' singles, pair skating, and ice dancing.
 In 2014 and 2015, the Ice Challenge's senior events were part of the ISU Challenger Series.