[1] In a court document dated Albany, June 2, 1675, he signed as Albert Janse Ryckman, he declared that he had made a contract with Stephanus Van Cortlandt, the director of Renesellaerswyck, with the consent of Jans Hendrickse Bruyn, for two mortgages which Bruyn holds against Eldert Gerbertse Cruyff, his step-father.
A footnote by Pearson states that Captain Albert Janse Ryckman was a brewer and indicated that his house was on the south corner of Hudson St. and Broadway.
"[2] In 1690, he assisted in taking of an inventory of the estate of Jan Cock, a young man killed by a cannon at Fort Albany on the February 9, 1690 after the Schenectady massacre.
"[3] In 1703, Marten Cornelissen Van Buren writes his will and makes Albert Ryckman and Dirck Wessels the guardians of his sons Peter and Marte, which was written on April 10, 1703.
[4] In the mid-1660s, he was married to Neeltje "Cornelia" Quackenbush, with whom he eventually had twelve children, of whom nine were living and spoken of in his will made in 1736, including:[5] Ryckman was also known to have purchased a few properties with the payment to be received in the form of beaverskin.