I have some Sackman families. The info was taken from Pa. German Church records (Lutheran) in New Hanover, Pa.
Anna Margareth Sackman b. 17 Feb 1755 Ch. 24 Aug 1755 parents: Henry & Catherina Margareth.
Catherina Sackman b. 29 Dec 1778 Ch. 25 Mar 1779 parents Henrich and Anna Catherine.
Catherine MargarethSackman b. 10 June 1763 Ch. 3 jul 1763 parents Henry & Catharina Margareth
Elizabeth Sackman b. 10 Dec 1779 Ch. Feb 1780 Parents Johannes & Catharina
Johannes Sackman b. 2 Feb 1754 Ch. 10 Feb 1754 parents John Henry & Catharina Margareth
Johannes Sackman b. 1 Jan 1778 Ch. 10 May 1778 Parents John & Catharina
John Christian b. 11 Apr 1756 Ch. 16 May 1756 parents John Henry & Catharina Margareth
John Martin Sackman no birth given Ch. 17 NOv 1765 Parents Henrich & Catharina
Magdalena Sackman b. 5 Apr 1782 Ch. 5 May 1782 Parents Johannes & Catharina
Margaretha Sackman b. 6 May 1776 Ch. 23 June 1776 parents Henrich & Anna Maria
Peter Sackman b. 6 May 1775 Ch. 9 June 1775 parents Johannes & Catharina.
Philadelphia Co. Will Abstract 1682-1834
Wife: Anna Margaretta: John Apprentice: Martin Sackman Exec.
I hope this gives you another resource.
Do you have Family tree Maker? There may be some genealogy on their CD.Check Sackman on line www.familytreemaker.com.They will give you the diskette and more information by clicking more info.Also Ancestry.com may be a resource for you if you have not tried that resource.