Question: Where was the father of Philip Of Hachberg-Sausenberg born?

Knowledge 1: Philip of Hachberg-Sausenberg
Margrave Philip of Hachberg-Sausenberg (1454 – 9 September 1503) was the son of the Margrave Rudolf IV of Hachberg-Sausenberg and Margaret of Vienne.Philip reigned in 1487–1503 as Margrave of Hachberg-Sausenberg and Count of Neuchâtel.From 1466 he called himself Lord of Badenweiler. [SEP] Knowledge 2: Rudolf IV, Margrave of Hachberg-Sausenberg
Margrave Rudolf IV of Hachberg-Sausenberg (1426 or 1427, Rötteln Castle – 12 April 1487, Rötteln Castle) was the son the Margrave William of Hachberg-Sausenberg and his wife Elisabeth of Montfort-Bregenz.In 1441, Rudolf's father abdicated in favor of Rudolf and his brother Hugo.Since they were both minors at the time, their uncle Count John of Freiburg-Neuchâtel took up government as their guardian.Hugo died in 1444.Rudolf was a Margrave of Hachberg-Sausenberg from 1441, and a Count of Neuchâtel from 1447.
Knowledge 1: Philip of Hachberg-Sausenberg
Margrave Philip of Hachberg-Sausenberg (1454 – 9 September 1503) was the son of the Margrave Rudolf IV of Hachberg-Sausenberg and Margaret of Vienne.Philip reigned in 1487–1503 as Margrave of Hachberg-Sausenberg and Count of Neuchâtel.From 1466 he called himself Lord of Badenweiler. [SEP] Knowledge 2: Rudolf I, Margrave of Hachberg-Sausenberg
Margrave Rudolf I of Hachberg-Sausenberg (d.1313) was the son of Margrave Henry II of Hachberg and Anne of Üsenberg.He married in 1298 or 1299 to Agnes, the heiress of Otto of Rötteln.In 1306 he founded the side-line Hachberg-Sausenberg at Sausenburg Castle, a castle which the Margraves of Hachberg had built in 1240 on top of Mount Sausenberg.His elder brother Henry III continued the main Baden-Hachberg line at Hochburg castle in Emmendingen.In 1311 Lord Lüthold II of Rötteln made Rudolf his co-ruler at Rötteln Castle.This established the foundation for the rise of the Hachberg-Sausenberg line.Rudolf himself died before Lüthold.In 1315, Lüthold donated the Lordship of Rötteln to Rudolf's son Henry, who came of age in that year.He had three children: Henry, Rudolf II and Otto I.
Knowledge 1: Rudolf I, Margrave of Hachberg-Sausenberg
Margrave Rudolf I of Hachberg-Sausenberg (d.1313) was the son of Margrave Henry II of Hachberg and Anne of Üsenberg.He married in 1298 or 1299 to Agnes, the heiress of Otto of Rötteln.In 1306 he founded the side-line Hachberg-Sausenberg at Sausenburg Castle, a castle which the Margraves of Hachberg had built in 1240 on top of Mount Sausenberg.His elder brother Henry III continued the main Baden-Hachberg line at Hochburg castle in Emmendingen.In 1311 Lord Lüthold II of Rötteln made Rudolf his co-ruler at Rötteln Castle.This established the foundation for the rise of the Hachberg-Sausenberg line.Rudolf himself died before Lüthold.In 1315, Lüthold donated the Lordship of Rötteln to Rudolf's son Henry, who came of age in that year.He had three children: Henry, Rudolf II and Otto I. [SEP] Knowledge 2: Rudolf IV, Margrave of Hachberg-Sausenberg
Margrave Rudolf IV of Hachberg-Sausenberg (1426 or 1427, Rötteln Castle – 12 April 1487, Rötteln Castle) was the son the Margrave William of Hachberg-Sausenberg and his wife Elisabeth of Montfort-Bregenz.In 1441, Rudolf's father abdicated in favor of Rudolf and his brother Hugo.Since they were both minors at the time, their uncle Count John of Freiburg-Neuchâtel took up government as their guardian.Hugo died in 1444.Rudolf was a Margrave of Hachberg-Sausenberg from 1441, and a Count of Neuchâtel from 1447.

Answer: Rötteln Castle