Question: Who is Albert, Margrave Of Baden-Hachberg's paternal grandfather?

Knowledge 1: Albert, Margrave of Baden-Hachberg
Albert, Margrave of Baden-Hachberg (1456 at Hachberg Castle – 1488 in Damme) was a Margrave of Baden.He was the son of Margrave Charles I of Baden and Catherine of Austria.In 1475, Charles I died and Albert and his elder brother ChristopherI inherited the margraviate.At first, they ruled jointly, however, in 1476, they divided their inheritance.Albert received the County of Hochberg and Christopher ruled Baden-Baden alone.However, Albert immediately transferred Hochberg to his brother, in exchange for an annual pension, so that the margraviate remained "de facto" undivided.The division agreement was initially limited to a period of six years, which expired in 1482.In that year, the brothers decided to extend the agreement indefinitely.When Albert died childless in 1488, Hochberg fell back to Christopher. [SEP] Knowledge 2: Charles I, Margrave of Baden-Baden
Charles I of Baden (1427 – 24 February 1475, Pforzheim) was a Margrave of Baden-Baden during 1454–1475.Charles was the elder son of Jacob, Margrave of Baden-Baden and his wife Catherine, daughter of Charles II, Duke of Lorraine.In 1462 he became involved in the Bavarian War (1459–63) against Frederick I, Elector Palatine.This war finished in the same year with Charles' defeat and capture at the Battle of Seckenheim.
Knowledge 1: Albert, Margrave of Baden-Hachberg
Albert, Margrave of Baden-Hachberg (1456 at Hachberg Castle – 1488 in Damme) was a Margrave of Baden.He was the son of Margrave Charles I of Baden and Catherine of Austria.In 1475, Charles I died and Albert and his elder brother ChristopherI inherited the margraviate.At first, they ruled jointly, however, in 1476, they divided their inheritance.Albert received the County of Hochberg and Christopher ruled Baden-Baden alone.However, Albert immediately transferred Hochberg to his brother, in exchange for an annual pension, so that the margraviate remained "de facto" undivided.The division agreement was initially limited to a period of six years, which expired in 1482.In that year, the brothers decided to extend the agreement indefinitely.When Albert died childless in 1488, Hochberg fell back to Christopher. [SEP] Knowledge 2: James III, Margrave of Baden-Hachberg
Margrave James III of Baden- Hachberg( 26 May 1562 – 17 August 1590) was margrave of Baden- Hachberg from 1584 to 1590 and resided at Emmendingen.He converted, in 1590, from Lutheranism to the Roman Catholic confession, causing some political turmoil.
Knowledge 1: Albert, Margrave of Baden-Hachberg
Albert, Margrave of Baden-Hachberg (1456 at Hachberg Castle – 1488 in Damme) was a Margrave of Baden.He was the son of Margrave Charles I of Baden and Catherine of Austria.In 1475, Charles I died and Albert and his elder brother ChristopherI inherited the margraviate.At first, they ruled jointly, however, in 1476, they divided their inheritance.Albert received the County of Hochberg and Christopher ruled Baden-Baden alone.However, Albert immediately transferred Hochberg to his brother, in exchange for an annual pension, so that the margraviate remained "de facto" undivided.The division agreement was initially limited to a period of six years, which expired in 1482.In that year, the brothers decided to extend the agreement indefinitely.When Albert died childless in 1488, Hochberg fell back to Christopher. [SEP] Knowledge 2: Henry I, Margrave of Baden-Hachberg
Henry I, German: Heinrich I( after 1180- 2 July 1231) from the House of Zähringen was margrave of Baden- Hachberg.He was the founder of the Baden- Hachenberg branch.

Answer: Jacob, Margrave of Baden-Baden