Question: The director of the film Dau is the son of what top Russian animation director?

Context paragraphs:
Andreas Hykade: Andreas Hykade (born 1968 in Altötting, Bavaria) is an animation director from Germany.  Before studying at the Academy of Fine Arts in Stuttgart from 1988 to 1990, he attended König-Karlmann-Gymnasium Altötting.  He worked as an animator in London in 1991, then studied animation at the Filmakademie Baden-Württemberg until 1995.  Since then he works as animation director, partly at "Studio Filmbilder" in Stuttgart, and as the Professor for Animation at the Filmakademie Baden-Württemberg.

Iosif Boyarsky: Iosif Yakovlevich Boyarsky (November 7, 1917 – March 12, 2008) was a Russian animator and director, the longtime Director of the Model Animation Association of Soyuzmultfilm Studio, an award-winning Russian animation studio based in Moscow.

Garri Bardin: Garri Yakovlevich Bardin (Russian: Га́рри Я́ковлевич Ба́рдин ; born September 11, 1941) is a Russian animation director, screenwriter and producer and director.  During Soviet times he was with Soyuzmultfilm, and in 1991 he founded his own studio, Stayer.  In 2010, the studio finished making a feature-length animated film based on "The Ugly Duckling", which Bardin directed.

History of Russian animation: The History of Russian animation is the film art produced by Russian animation makers.  As most of Russia's production of animation for cinema and television were created during Soviet times, it may also be referred to some extent as the History of Soviet animation.  It remains a nearly unexplored field in film theory and history outside Russia.

Konstantin Bronzit: Konstantin Eduardovich Bronzit (born April 12, 1965) is a Russian animator and animation film director and nominated twice for Oscars.  He currently works at one of the largest Russian animation studio - Melnitsa Animation Studio.

Dau (film): Dau is a Russian film directed by Ilya Khrzhanovsky.  The film deals with the life of the Nobel Prize winning Soviet scientist Lev Landau.  The movie is one of Russia's largest and most controversial cinematic projects.

Ilya Khrzhanovsky: Ilya Andreevich Khrzhanovsky (Russian: Илья́ Андре́евич Хржановский ; born August 11, 1975 in Moscow, Soviet Union) is a Russian film director.  He is the son of Andrei Khrzhanovsky (b. 1939), one of the top Russian animation directors, and the grandson of the artist and actor (1905—1987).

Mark Taylor (television): Mark Taylor (born March 1961 in Walton-on-Thames) is an animation director with the Bristol-based animation company A Productions.  He created and directed the children's series "Rubbish, King of the Jumble" for ITV and was nominated for a BAFTA in 2002-03 for the BBC pre-school animation series Boo!  which he directed.  He is also credited as animation director on the Cbeebies show the Tweenies, on the Citv show Jim Jam & Sunny and on the DK Disney series amazing animals as well as the Harper Collins video of village with three corners.

Animation director: An animation director is the director in charge of all aspects of the animation process during the production of an animated film or an animated segment for a live-action film.  This may include directing the storyboard, character design, background animation, and other aspects of animation.  Some animated film productions may split the duties between an Animation Director, who focuses on the creation of the animation, and a Director who oversees on all other aspects of the film.  A supervising animator is commonly in charge of all aspects of the design and artwork for a single major character.  The supervising animator oversees a group of animators who complete the entire scenes in which a particular character appears.

Brian Sheesley: Brian Sheesley (born 6 April 1959) is an animation director who has worked on several comedy shows, including directing duties on "The Grim Adventures of Billy & Mandy", two episodes of "The Critic", nine episodes of "Futurama" and two episodes of "King of the Hill".  Sheesley also worked as an animation timer on "Rugrats Go Wild! " (in 2003) and as an animator on "A Wish for Wings That Work" in 1991.  In his earlier career Brian worked as a layout artist on "The Ren & Stimpy Show".  Brian was an animation director and supervising director on "Camp Lazlo", and recently an animation director on "Regular Show", "Sym-Bionic Titan" and "Uncle Grandpa".  He studied in the Character Animation program at the California Institute of the Arts.

Supporting paragraphs: Dau (film) Ilya Khrzhanovsky
Answer: Andrei Khrzhanovsky