Those born under the sign are said to be fickle and changeable emotionally and change jobs frequently. Biruni says they are inclined to inactivity
They usually have many children.
Blue is a good color for them to wear and they find much of their fortune on Mondays, while troubles on Wednesdays.
Above you can see a depiction from the 14th C Kitab al Bulhan
Cancers are also friendly with Sagittarius though Pisces and Scorpio are ideal friends and lovers.
The human body was divided up in the zodiac with Cancer linked to the stomach and spleen
One particular charm involves using the secret of letters to fashion a talisman when the Moon was in Cancer and favorably aspecting Jupiter to grant the person spiritual abilities and to be exalted by God.
Again, the formulae for astrological talismans overlap with medicine in premodern science.
His mother, Sayyida Rasad was a Nubian or Sudanese concubine and upon his ascension ruled the court. She governed most of his early reign.
He was also a poet.
Biruni for example would warn that Saturn and Mars conjunction in Cancer bode ill omens for Muslim lands.