Šamaš-aḫ-iddin and his descendants were coloured wool weavers and dyers, dependent workers of the Ebabbar Temple of Sippar. They oversaw part of the manufacturing of the precious garments offered to the god's statues. The family is documented during three generations, from the reign of Nabopolassar (626-605 BC) to the reign of Cambyses (530-522 BC), in cuneiform tablets coming from the Ebabbar Temple archive. We will observe what the skills and social status of these workers were and how they passed down their knowledge from one generation to the next. The example of Šamaš-aḫ-iddin's family reveals the specific working conditions of coloured wool dyers and weavers working for the Ebabbar Temple and the high degree of specialisation within the temple workforce. Despite the fact that they belonged to the lower category of craftsmen (oblates), they had a specialised knowledge and the temple administration entrusted to them important responsibilities, such as the purchase of raw materials and the supplying of coloured wool to the upper class of workers, the prebendary weavers.