The Alzheimer Case, also known as "The Alzheimer Affair" or "The Memory of a Killer", Dutch: "De Zaak Alzheimer" , is a 2003 film directed by Erik Van Looy, based on the novel "De Zaak Alzheimer" by Jef Geeraerts.
 An American remake of the film is in development at Focus Features.
 Stephane Sperry is the producer.
 Matthew Michaud adapted the screenplay from the original film.
Mia Pankau (1891–1974) was a German film actress.
 She was married to the director Jaap Speyer who directed her in a number of films during the silent era.
Erik Ludovicus Maria Van Looy (] ) is a Belgian film director known for his thriller movies.
 He was born on 26 April 1962.
Ad Fundum is a 1993 Belgian drama film directed by Erik Van Looy.
 It is his first feature-length film after the short movies 'Dr. Tritsmans' and 'Yuppies'.
 It tells the story of some students studying at the university of Leuven, and who participate in some initiation rites.
Frans Van Looy (born 26 August 1950) is a former Belgian cyclist.
 Looy was professional from 1972 to 1982.
 He competed in the individual road race at the 1972 Summer Olympics.
Shades is a 1999 Belgian film directed by Erik Van Looy and written by Looy, Paul Breuls and Guy Lee Thys.
 The story is loosely inspired on the Belgian murderer and his escape from prison in 1982.
The Loft is a 2014 American-Belgian erotic thriller mystery film directed by Erik Van Looy.
 It is a remake of the 2008 Dutch-language Belgian film "Loft", which was also directed by Van Looy.
 The screenplay was written by Wesley Strick, adapted from the original script by Bart De Pauw.
 Starring Karl Urban, James Marsden and Wentworth Miller, it also features Matthias Schoenaerts who reprises his role from the original film.
Jaap Speyer (1891–1952) was a Dutch film director.
 He was married to the German actress Mia Pankau.
Loft is a 2008 Belgian erotic mystery film directed by Erik Van Looy and written by Bart De Pauw, starring an ensemble cast of notable Flemish actors.
Hotel Rats (German: Hotelratten) is a 1927 German silent film directed by Jaap Speyer and starring Nils Asther, Ellen Kürti and Mia Pankau.

Question: In between Erik Van Looy and Jaap Speyer who was married to the German actress Mia Pankau?
Answer: Jaap Speyer