La'ibum was an Akkadian man. He is mentioned once in the Sumerian

Sumerian language

Sumerian is the language of ancient Sumer, which was spoken in southern Mesopotamia since at least the 4th millennium BC. During the 3rd millennium BC, there developed a very intimate cultural symbiosis between the Sumerians and the Akkadians, which included widespread bilingualism...

 "Sargon legend" as the father of Sargon of Akkad

Sargon of Akkad

Sargon of Akkad, also known as Sargon the Great "the Great King" , was an Akkadian emperor famous for his conquest of the Sumerian city-states in the 23rd and 22nd centuries BC. The founder of the Dynasty of Akkad, Sargon reigned in the last quarter of the third millennium BC...

. No details about his life or historicity are known. He was presumably an Akkad

Akkad

The Akkadian Empire was an empire centered in the city of Akkad and its surrounding region in Mesopotamia....

ian. A neo-Assyrian text asserts that Sargon was from Azupiranu

Azupiranu

Azupiranu was a town in ancient Mesopotamia. The exact location is unknown. In a Neo-Assyrian text purporting to be the autobiography of Sargon of Akkad, Azupiranu is named as Sargon's birthplace and described as "situated on the banks of the Euphrates."...

; this may have been La'ibum's native town. La'ibum was a grandfather of kings Rimush

Rimush

Rimush was the second king of the Akkadian Empire. He was the son of Sargon of Akkad and Queen Tashlultum. He was succeeded by his brother Manishtushu and was an uncle of Naram-Sin of Akkad....

 and Manishtushu

Manishtushu

Manishtushu was a king of the Akkadian Empire from 2276 to 2261 BC. His name is also spelled as Maništušu.- Biography :Manishtushu was the son of Sargon of Akkad and Queen Tashlultum, brother of En-hedu-ana and the father of Naram-Sin...

.